Buscar

Anatomia básica do Sistema Nervoso Central e Periférico

Faça como milhares de estudantes: teste grátis o Passei Direto

Esse e outros conteúdos desbloqueados

16 milhões de materiais de várias disciplinas

Impressão de materiais

Agora você pode testar o

Passei Direto grátis

Você também pode ser Premium ajudando estudantes

Faça como milhares de estudantes: teste grátis o Passei Direto

Esse e outros conteúdos desbloqueados

16 milhões de materiais de várias disciplinas

Impressão de materiais

Agora você pode testar o

Passei Direto grátis

Você também pode ser Premium ajudando estudantes

Faça como milhares de estudantes: teste grátis o Passei Direto

Esse e outros conteúdos desbloqueados

16 milhões de materiais de várias disciplinas

Impressão de materiais

Agora você pode testar o

Passei Direto grátis

Você também pode ser Premium ajudando estudantes
Você viu 3, do total de 17 páginas

Faça como milhares de estudantes: teste grátis o Passei Direto

Esse e outros conteúdos desbloqueados

16 milhões de materiais de várias disciplinas

Impressão de materiais

Agora você pode testar o

Passei Direto grátis

Você também pode ser Premium ajudando estudantes

Faça como milhares de estudantes: teste grátis o Passei Direto

Esse e outros conteúdos desbloqueados

16 milhões de materiais de várias disciplinas

Impressão de materiais

Agora você pode testar o

Passei Direto grátis

Você também pode ser Premium ajudando estudantes

Faça como milhares de estudantes: teste grátis o Passei Direto

Esse e outros conteúdos desbloqueados

16 milhões de materiais de várias disciplinas

Impressão de materiais

Agora você pode testar o

Passei Direto grátis

Você também pode ser Premium ajudando estudantes
Você viu 6, do total de 17 páginas

Faça como milhares de estudantes: teste grátis o Passei Direto

Esse e outros conteúdos desbloqueados

16 milhões de materiais de várias disciplinas

Impressão de materiais

Agora você pode testar o

Passei Direto grátis

Você também pode ser Premium ajudando estudantes

Faça como milhares de estudantes: teste grátis o Passei Direto

Esse e outros conteúdos desbloqueados

16 milhões de materiais de várias disciplinas

Impressão de materiais

Agora você pode testar o

Passei Direto grátis

Você também pode ser Premium ajudando estudantes

Faça como milhares de estudantes: teste grátis o Passei Direto

Esse e outros conteúdos desbloqueados

16 milhões de materiais de várias disciplinas

Impressão de materiais

Agora você pode testar o

Passei Direto grátis

Você também pode ser Premium ajudando estudantes
Você viu 9, do total de 17 páginas

Faça como milhares de estudantes: teste grátis o Passei Direto

Esse e outros conteúdos desbloqueados

16 milhões de materiais de várias disciplinas

Impressão de materiais

Agora você pode testar o

Passei Direto grátis

Você também pode ser Premium ajudando estudantes

Prévia do material em texto

ANATOMIA BÁSICA DO SISTEMA
NERVOSO CENTRAL E PERIFÉRICO
META
Passar os conhecimentos teóricos acerca dos aspectos morfológicos e funcionais da estrutura
anatômica do sistema nervoso dos seres humanos.
OBJETIVOS
	��7�������"#���$��������$�����%�!(�
����#�7���!��"��!�������"��"#!$#$!�"����#4����"����"�"#������!%�"�����#!�������!��0!�������"$�"��$�.5�"
básicas;
����#�7���!���������'�!��"���!%�"��"������"����!������"�������$������"$�"���!��#�!1"#���"
morfofuncionais; as áreas do tronco encefálico, com a saída dos nervos cranianos; o cerebelo; as
estruturas do cérebro: diencéfalo e telencéfalo; e as principais estruturas anatômicas vasculares e
membranáceas do SNC.
PRÉ-REQUISITOS
Ter compreendido e assimilado as aulas anteriores.
Aula
13
ANA MARIA RABELO RAMALHO
��DCI:��=IIE���LLL
8DA:<>DH6D;G6C8>H8D
8DB
7G�
194
Elementos de Anatomia Humana
�������=;�
�D�,'��:HIJ96	H:�6�HJE:G;n8>:�:MI:GC6��8DB�:A:K6kr:H�DJ�HJA8DH�FJ:
H:�G:A68>DC6B�8DB�C:GKDH�:�K6HDH
���K6H8JA6G>O6kjD�H6C<JnC:6�l�:MI:CH6
:�H:J�{�JMD�HDB:CI:�E:G9:�E6G6�D�G:C6A�:�D�86G9n68D
��D>H�H>HI:B6H�6GI:	
G>6>H�9:HI686B	H:�C6�K6H8JA6G>O6kjD�9D�,'���D�H>HI:B6�86GDIn9:D�>CI:GCD
:�D�H>HI:B6�KlGI:7GD	76H>A6G
��B7DH�H:�:C8DCIG6B�C6�76H:�8G6C>6C6�E6G6
;DGB6G�D�EDAn<DCD�9:�0>AA>H�DJ�8nG8JAD�6GI:G>6A�8:G:7G6A��D�FJ6A�9h�DG><:B�6
6GIlG>6H�EGD;JC96H�:�fH�6GIlG>6H�8:G:7G6>H��8DGI>86>H�DJ�HJE:Gz�8>6>H�
���9G:	
C6<:B�K:CDH6�I6B7lB�H:�;6O�6IG6KlH�9:�H>HI:B6H�EGD;JC9D�:�HJE:Gz�8>6A�
B6H�6B7DH�E6HH6B�E:ADH�H:>DH�96�9JG6	BhI:G�E6G6�H6>G�9D�8GiC>D�:�IDB6G�6H
K:>6H�?J<JA6G:H�>CI:GC6H�:B�9>G:kjD�6D�8DG6kjD
���76GG:>G6�=:B6ID:C8:;hA>86
:HIh�8DCHI>IJn96�9:�JB�:C9DIlA>D�86E>A6G�;:8=69D�:�JB�C:JGpE>AD��EGDADC	
<6B:CIDH�<A>6>H�:HE:HHD�
�><JG6�
�
��GIlG>6H�9D�8lG:7GD�	�/>HI6�>C;:G>DG��%iB>C6�
����	�'�--�+���
�!
��IA6H�9:��C6IDB>6�!JB6C6
���:9
�)DGID
�A:<G:���GIB:9�������
195
Anatomia básica do Sistema Nervoso Central e Periférico Aula
13�����
(�,>HI:B6�':GKDHD��:CIG6A��,'���EDHHJ>�JB�:CKDAIpG>D��6�&�'"' ��
8DB�IGmH�;DA=:IDH�B:B7G6CDHDH��D�:MI:GCD��9JG6	BhI:G��6�6G68Cp>9:��:�D
B6>H� >CI:GCD�� E>6	BhI:G�� :� 6A<JCH� :HE6kDH� :CIG:� :A:H
��:HI:H� :HE6kDH�� D
E:G>9JG6A�l�JI>A>O69D�:B�6C6A<:H>6H�C6�G:<>jD�ADB76G��:�D�HJ76G68Cp>9:�l�D
B6>DG�:�EG::C8=>9D�EDG�K6HDH��z�A6B:CIDH�G69>8JA6G:H�9:�C:GKDH�:�AnFJ>9D
:C8l;6AD�G6FJ>6CD��DJ�AnFJDG�
��9JG6	BhI:G�l�B6>H�z�7GDH6�:�;DGB6�<G6C9:H�EG:<6H�C6�86K>969:�8G6C>	
6C6��;D>8:�9D�8lG:7GD��I:C96�9D�8:G:7:AD��9>6;G6<B6�96�H:A6�IsGH>86��:�86C6>H
K:CDHDH�>BEDGI6CI:H�C6�9G:C6<:B��H:>DH�96�9JG6	BhI:G�
�(�B6>DG�9DH�H:>DH
96�9JG6	BhI:G�l�D�H:>D�H6<>I6A�HJE:G>DG��H6<>I6A�:�B:9>6CD�EGpM>BD�f�86ADI6
)DGlB�C6�76H:�D�B6>DG�l�D�H:>D�86K:GCDHD��68>B6�96�6H6�B6>DG�9D�DHHD�:H	
;:Cp>9:�:�6IG6K:HH69D�E:A6�6GIlG>6�86GpI>96�>CI:GC6�:�6A<JCH�C:GKDH�8G6C>6CDH
(�AnFJDG��%�+��I:B�HJ6�8>G8JA6kjD�6E:C6H�CD�,'���H:C9D�EGD9JO>9D�C6H
E6G:9:H�9DH�FJ6IGD�K:CIGn8JADH�:C8:;hA>8DH��EA:MDH�8DG>p>9:H��:�67HDGK>9DH�E6G6
8DGG:CI:�K:CDH6�:B�<G6CJA6kr:H�96�6G68Cp>9:�E6G6�DH�H:>DH�96�9JG6	BhI:G
(H�K:CIGn8JADH�:C8:;hA>8DH�HjD�FJ6IGD�:�H:�8DBJC>86B�:CIG:�H>��H:C9D
DH�9D>H�EG>B:>GDH�8=6B69DH�9:� A6I:G6>H��/%���9:CIGD�9:�8696�=:B>H;lG>D
8:G:7G6A�9D� I:A:C8l;6AD
�(� I:G8:>GD�K:CIGn8JAD�:C8DCIG6	H:�9:CIGD�9D�9>	
:C8l;6AD�:�D�FJ6GID�K:CIGn8JAD�:CIG:�EDCI:��7JA7D�:�8:G:7:AD
��HI:�sAI>BD
H:�8DBJC>86�8DB�D�:HE6kD�HJ76G68Cp>9:��E6G6�8>G8JA6kjD�:MI:GC6�9D�AnFJDG
:�8DB�D�I:G8:>GD�K:CIGn8JAD�6IG6KlH�9D�6FJ:9JID�8:G:7G6A�B:H:C8:;hA>8D
�>C96� H:� :HIJ96�CD�,'��6� HJ6� :HIGJIJG6� >CI:GC6�� 6EpH� KhG>DH� I>EDH
9:�H:8kjD��IG6CHK:GH6>H��;GDCI6>H��H6<>I6>H�:�D7AnFJ6H�
���DG<6C>O6kjD�B68	
GDH8pE>86�ED9:�H:G�K>HI6�E:A6�K>HJ6A>O6kjD�9:�,.�,-X'�"���+�'��
�6MqC>DH�B>:A>C>O69DH���,.�,-X'�"���"'3�'-���8DGEDH�:�9:C9G>IDH�
:�6�+�-"�.%�+��>CI:GB:9>hG>6�9D�IGDC8D�:C8:;hA>8D�
(H�6HE:8IDH�BDG;D;JC8>DC6>H�H:GjD�67DG969DH�HJ8>CI6B:CI:��:B�6JA6H
I:pG>8D	EGhI>86H��8DB�6�EG:H:Ck6�9:�z�<JG6H�9:��IA6H�9:��C6IDB>6��:B�6C:MD�
	��
���	�
����	�
���	�	���
��
�	���
��B:9JA6�:HE>C6A�G:8:7:�DH��
�E6G:H�9:�C:GKDH�:HE>C=6>H�:�:HIh�H>IJ696
9:CIGD�9D�86C6A�K:GI:7G6A�6Il�D�CnK:A�96�EG>B:>G6�KlGI:7G6�ADB76G�96�8DAJC6
pHH:6��9:�DC9:�:B:G<:B�DH�C:GKDH��6E6G:CI:B:CI:��9DH�DG>;n8>DH�>CI:GK:G	
I:7G6>H�A6I:G6>H�:�H68G6>H�6CI:G>DG:H�:�EDHI:G>DG:H
196
Elementos de Anatomia Humana
�><JG6�
�
�&:9JA6��HE>C=6A� >C�,>IJ��%iB>C6�
���	�'�--�+���
�!
��IA6H�9:��C6IDB>6�!JB6C6
���:9
)DGID��A:<G:���GIB:9�������
-:B�6�;DGB6�8>AnC9G>86�:�:HIh�9>K>9>96�:B�G:<>r:H�FJ:�8DGG:HEDC9:B
fH�G:<>r:H�K:GI:7G6>H��HjD�D>ID�H:<B:CIDH�8:GK>86>H��9DO:�IDGh8>8DH��8>C8D
ADB76G:H��8>C8D�H68G6>H��CJB�8DC:�I:GB>C6A��:�JB�8D88n<:D��E6G6�>C:GK6kjD
E:G>6C6A�
��:�8696�H:<B:CID��H>B:IG>86B:CI:�H6:B�E6G:H�9:�C:GKDH�:HE>C	
=6>H
��76>MD�9D�8DC:�B:9JA6G��DJ�9:�%
��6H�G6nO:H�C:GKDH6H�9DH�sAI>BDH
C:GKDH�:HE>C=6>H�;DGB6B��9:CIGD�9D�:HE6kD�HJ76G68Cp>9:��8>HI:GC6�ADB76G�
:�76C=696�9:�AnFJDG��AnFJ>9D�8lG:7GD:HE>C=6A���6�86J96�:Ft>C6
(H�H:<B:CIDH�HjD�BJ>ID�H:B:A=6CI:H�:�H>BlIG>8DH�:B�HJ6�:HIGJIJG6
�6CI>B:G>6�
��696� H:<B:CID� :HIh� A><69D� A6I:G6AB:CI:� 6� 9J6H� G6nO:H�� JB6
9DGH6A�:�JB6�K:CIG6A��FJ:�H:�JC:B�:�;DGB6B�D�IGDC8D�9D�C:GKD�:HE>C=6A
�H�G6nO:H�9DGH6>H�HjD�;JC8>DC6AB:CI:�8DCHI>IJn96H�9:�K>6H�6;:G:CI:H�DJ
H:CH>I>K6H��8DCI:C9D�JB�<iC<A>D�H:CH>I>KD�:HE>C=6A��AD86A�9DH�8DGEDH�9DH
C:JGqC>DH� H:CH>I>KDH�E:G>;lG>8DH�FJ:�IG6O:B�6�H:CH>7>A>969:�9DH�9>K:GHDH
G:8:EIDG:H�HDBhI>8DH�:�K>H8:G6>H�96�E:G>;:G>6
197
Anatomia básica do Sistema Nervoso Central e Periférico Aula
13�H�G6nO:H�K:CIG6>H�G:8:7:B�6H�K>6H�:;:G:CI:H�DJ�BDIDG6H�FJ:�H6:B�96
B:9JA6�:HE>C6A
(H�C:GKDH�8:GK>86>H�;DGB6B�DH�EA:MDH�8:GK>86>H�:�7G6FJ>6>H��8DB�C:G	
KDH�I:GB>C6>H�>BEDGI6CI:H�E6G6�D�BsH8JAD�9>6;G6<B6��C:GKD�;GmC>8D�	���
6�����:�E6G6�D�B:B7GD�HJE:G>DG� �C:GKDH�6M>A6G�� G69>6A��BsH8JAD8JIiC:D�
B:9>6CD�:�JAC6G�
(H�C:GKDH�IDGh8>8DH�;DGB6B�DH�C:GKDH�>CI:G8DHI6>H�
(H�C:GKDH�ADB76G:H�:�H68G6>H�;DGB6B�EA:MDH�FJ:�9jD�DG><:B�6�C:GKDH�I:G	
B>C6>H�8DBD�D�C:GKD�;:BDG6A�:�D�8>hI>8D��D�B6>DG�C:GKD�:B�KDAJB:�9:�z�7G6H�
�><JG6�
�
��DGI:�IG6CHK:GH6A�96�&:9JA6��HE>C6A
'JB�8DGI:� IG6CHK:GH6A��ED9:	H:�D7H:GK6G�6�HJ7HIiC8>6�7G6C86�:MI:G	
C6B:CI:�;DGB6C9D�8DG9r:H�DJ�;JCn8JADH�A6I:G6>H��EDHI:G>DG:H�:�6CI:G>DG:H
�:CIG6AB:CI:��:M>HI:�JB�E:FJ:CD�9J8ID��D�86C6A�8:CIG6A�96�B:9JA6��:�:B
IDGCD�9:A:�6�HJ7HIiC8>6�8>CO:CI6�:B�;DGB6�96�A:IG6�w!x��8DB�9J6H�8DAJC6H
EDHI:G>DG:H�:�9J6H�6CI:G>DG:H
�H�8DAJC6H�9DGH6>H�EDHHJ:B�C:JGqC>DH�FJ:� G:8:7:B�E6GI:�96H� K>6H
6;:G:CI:H��HJ7HIiC8>6�<:A6I>CDH6�96�B:9JA6��9DH�C:GKDH�:HE>C=6>H�
�H�8DAJC6H�K:CIG6>H�DJ�6CI:G>DG:H�EDHHJ:B�C:JGqC>DH�8J?DH�6MqC>DH
;DGB6B�6H�G6nO:H�BDIDG6H�9DH�C:GKDH�:HE>C=6>H
��;JCkjD�BDIDG6�96�B:9JA6�l�76H>86B:CI:�G:{�:M6
�(�6G8D�G:{�:MD�B6>H
H>BEA:H�G:HEDC9:�6�;JCkr:H�9:�6kr:H�GhE>96H��>C8DCH8>:CI:H�:�E69GDC>O696H�
E6G6�9:;:H6�6�A:Hr:H�DJ�HD7G:K>KmC8>6�DG<iC>86��G:{�:MD�E6I:A6G�:�9:�8Dk6G�
(�6G8D�G:{�:MD�:HIh�E:AD�B:CDH�8DCHI>IJn9D�9:�9D>H�I>EDH�9:�C:JGqC>DH�
JB�6;:G:CI:�:�JB�:;:G:CI:
�.B�8:CIGD�B6>H�:A67DG69D�ED9:�H:G�:C8DCIG69D
C6�G:<>jD�ADB76G��8DBD�8:CIGD�H:8JC9hG>D�96�AD8DBDkjD��8DB6C969D�E:AD
8:CIGD�:C8:;hA>8D�CD�B:H:C8l;6AD
198
Elementos de Anatomia Humana
��;JCkjD�9:�G:IG6CHB>HHjD�9:�>BEJAHDH�C6�B:9JA6�6�;6O�>BEDGI6CI:
8:CIGD�9:�H>C6EH:H�9:�:CIG696�:�H6n96�9:� >BEJAHDH�FJ:�6HHD8>6B�<G6C9:
E6GI:�9D�IGDC8D�:�DH�B:B7GDH�6D�:C8l;6AD��6IG6KlH�9DH�C:GKDH�:HE>C=6>H
	�H:CH>7>A>969:�:�BDIG>8>969:�ED9:GjD�:HI6G�6AI:G696H�:B�A:Hr:H�96�B:9JA6
:HE>C6A�:�H:JH�C:GKDH
'DH� ;JCn8JADH� :C8DCIG6B	H:� K>6H� 9:� 6HHD8>6kjD�9:� H:<B:CIDH�B:	
9JA6G:H��E6G6� G:{�:MDH��DJ�K>6H�9:�EGD?:kjD�E6G6�D�:C8l;6AD� �6H8:C9:CI:H
:�9:H8:C9:CI:H�
��DGB6B�IG6IDH�DJ�;6H8n8JADH��9:CIG:�:A:H�:HIjD�DH�IG6IDH
:HE>CD	I6AiB>8DH��9DG��I:BE:G6IJG6��I6ID�:�EG:HHjD��:�DH�:HE>CD�8:G:7:A6G:H
�:HI:G:D8>C:H>6� >C8DCH8>:CI:��� 6AlB�9DH�BDIDG:H� IG6IDH� 8pGI>8D	:HE>C=6>H
FJ:�H6:B�9:�hG:6H�BDIDG6H�9D�8pGI:M�8:G:7G6A�E6G6�8DCIGDA:�9DH�C:JGqC>DH96�8DAJC6�6CI:G>DG
�(H�;6H8n8JADH�EDHI:G>DG:H��<Gh8>A�:�8JC:>;DGB:��;DGB6B
K>6H�6H8:C9:CI:H�9D�;JCn8JAD�EDHI:G>DG�:�A:K6B�>BEJAHDH�H:CHDG>6>H�9:�I6ID
9>H8G>B>C6IpG>D��EGDEG>D8:EkjD�8DCH8>:CI:��:HI:G:D<CDH>6��:�H:CH>7>A>969:
K>7G6IpG>6
��
��?�	�����	���	�
���	��	�	�
-GDC8D� :C8:;hA>8D� �7JA7D�� EDCI:� :�B:H:C8l;6AD��� :HIGJIJG6� :MI:GC6�
>CI:GC6�:�;JCkr:H
�:G:7:AD��:HIGJIJG6�:MI:GC6��>CI:GC6�:�;JCkr:H�
�lG:7GD���>:C8l;6AD��IhA6BD��=>EDIhA6BD��>C;JC9n7JAD�:�C:JGD=>Epz�H:�
HJ7IhA6BD��:E>IhA6BD��<AiC9JA6�E>C:6A��:�I:G8:>GD�K:CIGn8JAD��E6G:9:H�A6I:G6>H�
>C;:G>DG�:�EDHI:G>DG���-:A:C8l;6AD��=:B>H;lG>DH�8:G:7G6>H�9>G:>ID�:�:HFJ:G9D�
K:CIGn8JADH�A6I:G6>H�9>G:>ID�:�:HFJ:G9D��E6G:9:�6CI:G>DG�9D�I:G8:>GD�K:CIGn8JAD�
�������
��
�7����
�DCI>CJ6kjD� 96�B:9JA6� :HE>C6A� 68>B6� 9D� ;DG6B:�B6<CD�� CD� DHHD
D88>E>I6A��AD<D�H:�9>A6I6�CD�7JA7D�DJ�B:9JA6�D7ADC<6��E6GI:�B6>H�>C;:G>DG
9D�IGDC8D�:C8:;hA>8D��-��
�'D�B:>D�9D�IGDC8D��:M>HI:�JB6�EGD:B>CmC8>6
8=6B696�EDCI:�:��8G6C>6AB:CI:��JB6�E6GI:�E:FJ:C6��H>IJ696�68>B6�9D�8:G	
:7:AD��8=6B696�9:�B:H:C8l;6AD
199
Anatomia básica do Sistema Nervoso Central e Periférico Aula
13
�><JG6���
�-GDC8D�8:G:7G6A�	�/>HI6�iCI:GD	>C;:G>DG��%iB>C6�
�����	�'�--�+���
�!
��IA6H�9:��C6IDB>6�!JB6C6
���:9
�)DGID
�A:<G:���GIB:9�������
�8>B6�9D�IGDC8D�:C8:;hA>8D�:C8DCIG6	H:�D��^+��+(��9>:C8l;6AD�:
I:A:C8l;6AD��:�EDG�IGhH�96�EDCI:�:�7JA7D�H>IJ6	H:�D���+���%(
�(�8lG:7GD
8DCHI>IJ>�8:G86�9:�����9D�:C8l;6AD
(�8:G:7:AD�:HIh�A><69D�6D�IGDC8D�:C8:;hA>8D�6IG6KlH�9:�IGmH�E6G:H�9:
7G6kDH�9:�HJ7HIiC8>6�7G6C86�8=6B69DH�E:9sC8JADH�8:G:7:A6G:H�HJE:G>DG:H�
Bl9>DH�:�>C;:G>DG:H
���,-+.-.+���1-�+'��l�9:HI68696�E:A6�EG:H:Ck6�9:�HJA8DH�E6G6�6
8DC:MjD�8DB�C:GKDH�8G6C>6CDH��"""�:�"/�E6G:H�9D�B:H:C8l;6AD��/�9D�B:>D�96
EDCI:��/"��/""�:�/"""�E6G:H�9D�HJA8D�7JA7D	EDCI>CD�:�9D�"1�6D�1""�9:�HJA8DH
ADC<>IJ9>C6>H�K:CIG6>H�:�A6I:G6>H�9D�7JA7D
�(H�8DAn8JADH�9D�I:8ID�B:H:C8:;hA>8D
HjD�9D>H�HJE:G>DG:H�:�9D>H�>C;:G>DG:H�:�HjD�EGD:B>CmC8>6H�9:�Cs8A:DH�>CI:GCDH
96�K>6�pEI>86�G:{�:M6�:�6J9>I>K6��G:HE:8I>K6B:CI:
���86K>969:�9D�IJ7D�C:JG6A
;DGB6�D�6FJ:9JID�8:G:7G6A�CD�B:C:C8l;6AD�� A><6C9D�D�I:G8:>GD�6D�FJ6GID
K:CIGn8JAD��:HI:�sAI>BD�H:�:C8DCIG6�:CIG:�D�7JA7D�:�EDCI:��K:CIG6>H��:�D�I:8ID
A><69D�6D�8:G:7:AD�EDHI:G>DGB:CI:
200
Elementos de Anatomia Humana
'6��,-+.-.+��"'-�+'��6�HJ7HIiC8>6�7G6C86��,���8DCI>CJ6�E:G>	
;lG>86�f�8>CO:CI6��B6H�:HI6�H:�:C8DCIG6�;G6<B:CI696�EDG�z�7G6H�IG6CHK:GH6>H�
9>;:G:CI:�96�B:9JA6�:HE>C6A�DC9:�l�8DCInCJ6
����HJ7HIiC8>6�8>CO:CI6��,��
;DGB6�Cs8A:DH�9:�C:GKDH�8G6C>6CDH��H:CH>I>KDH�:�BDIDG:H��:�DJIGDH�FJ:�ImB
6�K:G�8DB�;JCkjD�BDIDG6�8:G:7:A6G
��CIG:�6�,��:�6�,��:M>HI:�JB6�;DGB6kjD
>CI:GB:9>hG>6�8=6B696�9:�;DGB6kjD�G:I>8JA6G��DC9:�:C8DCIG6BDH�Cs8A:DH
:�z�7G6H�:B�G:9:��8DB�;JCkr:H�=D?:�BJ>ID�E:HFJ>H696H
�.'\b�,��(�-����DBD�G:IG6CHB>HHDG�9:�>C;DGB6kr:H�96�B:9JA6
:HE>C6A��FJ:�H:<J:B�:B�9>G:kjD�6D�8lG:7GD�DJ�8:G:7:AD��:�K>8:�K:GH6
+:8:EIDG�:�G:IG6CHB>HHDG�96�H:CH>7>A>969:�K:>8JA696�E:ADH�C:GKDH�8G6	
C>6CDH�9D�"""�6D�1""�E6G:H��8DBD�:B>HHDG�9:�K>6H�BDIDG6H�96�B6>DG>6�9DH
C:GKDH�8G6C>6CDH��E6G6�BJH8JA6IJG6�D8JA6G��;68>6A��AnC<J6�:�B6HI><6kjD�
�B�HJ6�;DGB6kjD�G:I>8JA6G��:C8DCIG6B	H:�8:CIGDH�8DCIGDA69DG:H�9:�BDK>B:C	
IDH�K>I6>H�8DBD�D�G:HE>G6IpG>D��D�K6HDBDIDG��9D�KqB>ID��9:<AJI>kjD��AD8DBDkjD�:
BDK>B:CIDH�8DC?J<69DH�9DH�DA=DH
's8A:DH�96�;DGB6kjD�G:I>8JA6G�G:A68>DC69DH
6D�8DCIGDA:�9D�HDCD�:�6I>K6kjD�8DGI>86A�8:G:7G6A�C6�K><nA>6��H>HI:B6�,�+��
��+���%(��E:FJ:CD�8lG:7GD�
^�JB�pG<jD�9:�;JCkjD�:HH:C8>6AB:CI:�BDIDG6�:�>C8DCH8>:CI:��6IJ6C9D
C6�8DDG9:C6kjD��:FJ>An7G>D��6EG:C9>O6<:B�:�IqCJH�BJH8JA6G
�&68GDH8DE>	
86B:CI:�:HIh�;DGB69D�EDG�JB6�EDGkjD�B:9>6C6��D�K:GB>H��:��A6I:G6AB:CI:�
EDG�9D>H�=:B>H;lG>DH
,J6�HJE:G;n8>:�l�HJA8696�IG6CHK:GH6AB:CI:�:�D�:HE6kD�:CIG:�DH�HJA8DH
;DGB6�6�;DA=6�8:G:7:A6G��E6G6�A:B7G6G�FJ:�=h�BJ>ID�I:BED�6IGhH�DH�6C6ID	
B>HI6H�8=6B6G6B�9:�hGKDG:�96�K>96�6�z�<JG6�9:�HJ7HIiC8>6�7G6C86�>CI:GC6
K>HI6�CD�8DGI:�H6<>I6A�B:9>6CD
'6�:HIGJIJG6�>CI:GC6�:M>HI:�JB6�z�C6�86B696�9:�HJ7HIiC8>6�8>CO:CI6�E:G>	
;lG>86�8=6B696�9:�8pGI:M�8:G:7:A6G��:�9:CIGD�9D�IGDC8D�96�hGKDG:�H:�:C8DCIG6B
Cs8A:DH�8:CIG6>H�6DH�E6G:H��9:CI:69DH��>CI:GEpH>IDH�:�;6HI><>6>H��9:�DC9:�E6GI:B
K>6H�:;:G:CI:H�6D�8lG:7GD��IhA6BD��DJ�6�Cs8A:DH�BDIDG:H�9D�IGDC8D�:C8:;hA>8D
9D�H>HI:B6�:MIG6E>G6B>96A��Cs8A:DH�GJ7GD��K:HI>7JA6G:H�:�G:I>8JA6G:H�
201
Anatomia básica do Sistema Nervoso Central e Periférico Aula
13
�><JG6�
�
��:G:7:AD� 	�,JE:G;n8>:� HJE:G>DG� �%iB>C6�
�����	�'�--�+���
�!
��IA6H�9:��C6IDB>6
!JB6C6
���:9
�)DGID��A:<G:���GIB:9�������
�?�
��
�DGB69D�:B7G>DC6G>6B:CI:�E:A6H�K:Hn8JA6H�9>:C8:;hA>86�:�I:A:C8:;hA>86�
8DB�6�8=:<696�CD�EG>B:>GD�9D�C:GKD�pEI>8D��""�E6G��CD�=>EDIhA6BD��FJ>	
6HB6�pEI>8D��:�9DH�C:GKDH�DA;6IpG>DH��"�E6G��CD�I:A:C8l;6AD��7JA7D�:�IG6ID
DA;6IpG>D��8J?6H�:HIG>6H�8=:<6B�6D�8pGI:M�G>C:C8:;hA>8D�
�H�:HIGJIJG6H�9D�9>:C8l;6AD�:HIjD�9>HEDHI6H�C6H�E6G:9:H�A6I:G6>H��IhA6BD
:�=>EDIhA6BD��� >C;:G>DG� �=>EDIhA6BD�� :�EDHI:G>DG� �:E>IhA6BD��9D� I:G8:>GD
K:CIGn8JAD�:C8:;hA>8D��:HI:�sAI>BD�A><6	H:�6CI:G>DGB:CI:�6DH�DG>;n8>DH�>CI:G	
K:CIG>8JA6G:H�9DH�K:CIGn8JADH�A6I:G6>H��:�nC;:GD	EDHI:G>DGB:CI:�6D�DG>;n8>D
9D�6FJ:9JID�8:G:7G6A
��:HIGJIJG6�>CI:GC6�9D�9>:C8l;6AD�:C8DCIG6	H:�68>B6�:�f�;G:CI:�9D�B:H	
:C8l;6AD�:�HDB:CI:�l�K>HID�C6�76H:�9D�8lG:7GD�EDG�:HI6G�:H8DC9>9D�E:AD
8G:H8>B:CID�9DH�=:B>H;lG>DH�8:G:7G6>H
�^ �;DGB69D�76H>86B:CI:�9:�Cs8A:DH
9:�HJ7HIiC8>6�8>CO:CI6�DJ�AD86>H�9:�H>C6EH:H
202
Elementos de Anatomia Humana
�><JG6�
�
�,:8kr:H�=DG>ODCI6>H�6IG6KlH�9D�8lG:7GD��%iB>C6�
�����	�'�--�+���
�!
��IA6H�9:��C6IDB>6�!JB6C6
���:9
�)DGID
�A:<G:���GIB:9�������
(�I:ID�9D�K:CIGn8JAD�"""�l�8DBEDHID�9:�JB6�I:A6�8DG>p>9:�FJ:�EGD9JO
AnFJDG�:�:HIh�676>MD�9:�:HIGJIJG6H�I:A:C8:;hA>86H�B:9>6C6H��;pGC>M�:�8DB>H	
HJG6�9D�8DGED�86ADHD
(�IhA6BD�I:B�;JCkjD�>CI:<G69DG6�9:�H:CH>7>A>969:�B6A�9:z�C>96�8DBD
I6ID��9DG�:�I:BE:G6IJG6�8DGEDG6A��l�:HI6kjD�G:IG6CHB>HHDG6�9:�FJ6H:�ID96
H:CH>7>A>969:�9>H8G>B>C6IpG>6��:M8:ID�D�DA;6ID��6AlB�9:�>BEDGI6CI:�:HI6kjD
9:�>BEJAHDH�FJ:�8=:<6B�DJ�H6:B�9D�8pGI:M�8:G:7G6A�CD�8DCIGDA:�96�BDIG>	
8>969:��6I>K6kjD�8DGI>86A�:�8DBEDGI6B:CID�:BD8>DC6A��H>HI:B6�AnB7>8D�
(�:E>IhA6BD�:HIh�G:A68>DC69D�6�Cs8A:DH�9D�H>HI:B6�AnB7>8D�:�6�;JCkr:H
96�<AiC9JA6�E>C:6A��=DGBqC>D�B:A6IDC>C6�DG><>C69D�96�H:GDIDC>C6��8DBD
G>IBD�8>G869>6CD�96H�;JCkr:H��B6IJG6kjD�<:C>I6A�:�>BJCDAp<>86
(�HJ7IhA6BD�l�A6I:G6A�6D�=>EDIhA6BD�:�CjD�I:B�G:A6kjD�8DB�6�86K>969:
9D�K:CIGn8JAD�"""��H:J�Cs8A:D�HJ7I6AiB>8D�:HIh�A><69D�6D�Cs8A:D�I:A:C8:;hA>8D
<AD7D�EhA>9D�CD�8DCIGDA:�96�;JCkjD�BDIDG6�HDBhI>86
(�=>EDIhA6BD�:HIh�G:A68>DC69D�8DB�;JCkr:H�BDI>K68>DC6>H��H:9:��;DB:�
H:MD���=DGBDC6>H��6IG6KlH�9D�8DCIGDA:�96�=>Epz�H:���K>H8:G6>H��8DCIGDA:�9D
H>HI:B6�C:GKDHD� K>H8:G6A��� G>IBD� 8>G869>6CD� �z�7G6H� G:I>CD	=>EDI6AiB>86H
E6G6�DH�G>IBDH�B:I67pA>8DH�9:�8:G86�9:�JB�9>6�9:�9JG6kjD���I:BE:G6IJG6
203
Anatomia básica do Sistema Nervoso Central e Periférico Aula
138DGEDG6A�:�H>HI:B6�:BD8>DC6A��EG>C8>E6A�:;:IJ69DG�9D�8DBEDC:CI:�E:G>;lG>8D
96H�:BDkr:H��D�8DBEDGI6B:CID�D7H:GK69D�
��B�<:G6A��6IJ6�>C9>G:I6B:CI:
6IG6KlH�9:�z�7G6H�=>EDIhA6BD	G:I>8JA6G:H
(�I:A:C8l;6AD�9>K>9:	H:�:B�9D>H�<G6C9:H�=:B>H;lG>DH�� A><69DH�6�JB6
E6GI:�B:9>6C6�FJ:�;DGB6�6�E6G:9:�6CI:G>DG�9D�K:CIGn8JAD�"""��8DB�:HIGJIJG6H
>CI:G	=:B>H;lG>86H�8DB>HHJG6>H��AiB>C6�I:GB>C6A�:�8DB>HHJG6�6CI:G>DG
��8>B6
9:HI6�:HIGJIJG6�B:9>6C6��:C8DCIG6	H:�6�B6>DG�:HIGJIJG6� >CI:G	=:B>H;lG>86
8DB>HHJG6A��8DCHI>IJn96�9:�z�7G6H�IG6CHK:GH6>H��D�8DGED�86ADHD��?D:A=D�:�:H	
EAmC>D�
�%D<D�676>MD�9:A:�E6HH6B�9J6H�z�7G6H�9:�EGD?:kjD�8DGI>86A��D�;pGC>M
9>G:>ID�:�:HFJ:G9D��8DAJC6H�:�E:GC6H���FJ:�A><6�6�hG:6�B6>H�6CI><6�9D�8pGI:M
8:G:7G6A� �=>ED86BED�� 6D� =>EDIhA6BD
�)DGlB�� 6�B6>DG� z�7G6�9:�EGD?:kjD
8DGI>86A��8DB�6;:GmC8>6�:�:;:GmC8>6��8=6B6	H:�8hEHJA6�>CI:GC6��H>IJ696�:CIG:
D�IhA6BD��B:9>6A�:�EDHI:G>DG��DJ�Cs8A:D�86J969D��6CI:G>DG��:�D�Cs8A:D�96
76H:�8=6B69D�A:CI>;DGB:��HI6�G:A6kjD�;DGB6��6H�E:GC6H�6CI:G>DG:H�:�EDH	
I:G>DG:H�96�8hEHJA6�>CI:GC6
��:HIGJIJG6�:MI:GC6�9DH�=:B>H;lG>DH�8:G:7G6>H�BDHIG6�HJA8DH�>GG:<JA6G:H�
9:A>B>I6C9D�<>GDH�DJ�8>G8JCKDAJkr:H�9:�:HIGJIJG6�8DGI>86A
��:CIG:�:A:H��DH
B6>H�:K>9:CI:H�HjD�6�z�HHJG6�A6I:G6A�:�D�HJA8D�8:CIG6A��K>HIDH�C6�HJ6�B6>DG
E6GI:�C6�;68:�HsE:GD	A6I:G6A
�(H�=:B>H;lG>DH�:HIjD�9>K>9>9DH�EDG�JB6�<G6C9:
z�HHJG6��:HI6�E:C:IG696�E:A6�EG:<6�9:�9JG6	BhI:G�8=6B696�;D>8:�9D�8lG:7GD�
6�z�HHJG6�ADC<>IJ9>C6A�9D�8lG:7GD
�)DG�>HHD�HJ6�HJE:G;n8>:�:HIh�9>K>9>96�:B
;68:H��HsE:GD	A6I:G6A��B:9>6A�:�>C;:G>DG�DJ�76H6A
�(H�<>GDH�I6B7lB�HjD�6<GJ	
E69DH�:B�AD7DH��D�;GDCI6A��D�D88>E>I6A��D�I:BEDG6A��D�E6G>:I6A�:�6�>CHJA6��:HI6
:H8DC9>6�CD�HJA8D�A6I:G6A�
�(H�IGmH�EG>B:>GDH�AD7DH�8G:H8:G6B�:B�9>G:kjD
6DH�EpADH�9D�B:HBD�CDB:��EGDCJC8>6	H:�wAp7DHx�
(JIG6�hG:6�8DGI>86A�:H8DC9>96�96�HJE:G;n8>:�:C8DCIG6	H:�CD�>CI:G>DG�9D
AD7D�I:BEDG6A��;DGB6C9D�D�6HHD6A=D�96�EDCI6�>C;:G>DG�9D�K:CIGn8JAD�A6I	
:G6A��l�D�<>GD�9D�=>ED86BED
S� �� ;68:� HJE:GD	A6I:G6A� 9D� 8pGI:M� 8:G:7G6A
:C8DCIG6	H:�9>K>9>96�E:AD�HJA8D�8:CIG6A�:�H:E6G6�D�AD7D�;GDCI6A�9D�E6G>:I6A��D
<>GD�>B:9>6I6B:CI:�6CI:G>DG�8=6B6	H:�EGl	8:CIG6A��hG:6�BDIDG6�EG>BhG>6��96
:M:8JkjD�9D�BDK>B:CID��:�D�EDHI:G>DG�EpH	8:CIG6A��hG:6�HDB6IDHH:CHDG>6A
<:G6A��I6ID�:�9DG�
(H�=:B>H;lG>DH�8:G:7G6>H�f�H:8kjD��z�<
�
���BDHIG6B�JB6�:HIGJIJG6�H:	
B:A=6CI:�6D�8:G:7:AD��8DB�JB6�z�C6�86B696�9:�HJ7HIiC8>6�8>CO:CI6�E:G>;lG>86
�8pGI:M��:�Cs8A:DH�9:CIGD�9D�8:CIGD�7G6C8D�B:9JA6G��DH�Cs8A:DH�96�76H:�
(�8:CIGD�7G6C8D�l�;DGB69D�EDG�z�7G6H�B>:A>C>O696H��9:�z�7G6H�9:�EGD?:kjD
8DGI>86A� :� 9:� 6HHD8>6kjD� >CI:G� :� >CIG6	=:B>H;lG>86H�
�(H�Cs8A:DH�96� 76H:
HjD��86J969D��A:CI>;DGB:��EJIiB:C�:�<AD7D�EhA>9D���8A6JHIGD��6B><96Ap>9:�
688JB7:CH�:�76H6A�9:�&:NC:GI
�(�86J969D�:�A:CI>;DGB:�9DGH6>H�:HIjD�:C	
KDAK>9DH�CD�8DCIGDA:�BDIDG�KDAJCIhG>D��?JCI6B:CI:�8DB�Cs8A:D�HJ7I6AiB>8D
:�6�HJ7HIiC8>6�C:<G6�9D�B:H:C8l;6AD
�%:Hr:H�9:HI6H�hG:6H�ED9:B�86JH6G�6
�D:Ck6�9:�)6G@>CHDC
�(�Cs8A:D�6B><96Ap>9:�:HIh�G:A68>DC69D�f�B:BpG>6�:
6D�8DBEDGI6B:CID�:BD8>DC6A��;6O:C9D�E6GI:�9D�H>HI:B6�AnB7>8D
204
Elementos de Anatomia Humana
(�8pGI:M�8:G:7G6A�;D>�B6E:69D�BDG;D;JC8>DC6AB:CI:�:B�KhG>DH�B6E6H�
H:C9D�D�B6>H�8DC=:8>9D�D�9:��GD69B6C
��HI6H�hG:6H�;DG6B�9>K>9>96H�:B
hG:6H�9:�EGD?:kjD��EG>BhG>6H�:�H:8JC9hG>6H�96�BDIG>8>969:�:�H:CH>7>A>969:�
:�hG:6H�9:�6HHD8>6kjD��I:G8>hG>6H��E6G6�;JCkr:H�HJE:G>DG:H�EHnFJ>86H��8DBD
D� E:CH6B:CID�� 6� A>C<J6<:B�� 6EG:C9>O69D�� 8DBEDGI6B:CID� :BD8>DC6A�
B:BpG>6�:�8DCH8>mC8>6�:HE68>6A�
�H�hG:6H�8DGI>86>H�I:G8>hG>6H�HjD�6�EGl	;GDCI6A��6�I:BEDGD	E6G>:I6A�:�6H
hG:6H�I:BEDG6>H�9D�H>HI:B6�AnB7>8D��<>GD�9D�8nC<JAD��E6G6	=>ED86BE6A�:�D
=>ED86BED�6AlB�9:�DJIGDH�Cs8A:DH�9D�8lG:7GD�
��H�hG:6H�EG>BhG>6H�D8JE6B
8:G86�9:�
���9:�ID96�hG:6�8DGI>86A�:�:HIh�G:A68>DC696�f�:M:8JkjD�BDIDG6�DJ
6�H:CH6kr:H�<:G6>H��I6ID�:�9DG��DJ�:HE:8>6>H��K>HjD��6J9>kjD��DA;6kjD�:�<JH	
I6kjD�
���>CI:GEG:I6kjD�9:HI6H�H:CH6kr:H�H:�EGD8:HH6�:B�hG:6H�H:8JC9hG>6H�
K>O>C=6H�fH�EG>BhG>6H
!h� JB6� 6HH>B:IG>6� ;JC8>DC6A� CD� 8pGI:M� 8:G:7G6A� :� 8DBD� :M:BEAD
:C8DCIG6B	H:��hG:6H�BDIDG6�:�H:CHDG>6A�96�A>C<J6<:B�C6�B6>DG>6�9DH�=:B>H	
;lG>DH�:HFJ:G9DH��E:HFJ>H6G�6H�9:B6>H�;JCkr:H�
������
�	��
�������
���?����������
(H�C:JGqC>DH�9D�,')�HjD�;DGB69DH�:B�<G6C9:�E6GI:�9:�:HIGJIJG6H�:B	
7G>DChG>6H��6D�A69D�9D�IJ7D�C:JG6A��8=6B696H��+",-�,�'�.+�",��I6B7lB
EGDK:C>:CI:H�9D�:8ID9:GB6��:�H:JH�EGDADC<6B:CIDH�;DGB6B�DH�C:GKDH��H:JH�8DG	
EDH�8:AJA6G:H�;DGB6B�<iC<A>DH
�H:CH>I>KDH�:�BDIDG:H�K>H8:G6>H�
:�HJ6H�I:GB>C6kr:H�DJ�G:8:7:B
>C;DGB6kr:H�H:CHDG>6>H�9:�8lAJ	
A6H�:HE:8>6>H�G:8:EIDG6H��pG<jDH
9DH� H:CI>9DH�� DJ� 9:� 8lAJA6H
9>HIG>7Jn96H�CD�8DGED��9DG��I6ID
:�EG:HHjD���DJ�HjD�I:GB>C6kr:H
FJ:�A:K6B�6�G:HEDHI6�9D�,'�6
pG<jDH�:;:IJ69DG:H�9D�8DBEDG
I6B:CID��BsH8JADH�:�<AiC9JA6H
H:8G:IDG6H�
�.B6�E6GI:�9:HI:H
C:JGqC>DH� l� EGDK:C>:CI:� 9D
-.�(�'�.+�%�� 8DBD�DH
6MqC>DH�9DH�C:JGqC>DH�FJ:�H:
;DGB6B�C6� AiB>C6�76H6A� �C6
K>96� :B7G>DChG>6��� ;DGB6C9D
C:JGqC>DH�BDIDG:H�HDBhI>8DH�:
K>H8:G6>H�FJ:�H6:B�9D�,'��E:	
ADH�C:GKDH��6Il�H:JH�pG<jDH�6AKD
�><JG6�
�
��HFJ:B6�9D�,>HI:B6�':GKDHD�):G>;lG>8D
205
Anatomia básica do Sistema Nervoso Central e Periférico Aula
13�H�I:GB>C6kr:H�C:GKDH6H�HjD�8=6B696H�9:�BDIDG6H��:�D�H>HI:B6�C:GKDHD
l�8=6B69D�9:�,(&V-"�(��H:�:A6H�8=:<6B�6�BsH8JADH�:HIG>69DH�:HFJ:AlI>8DH�
C6�B6>DG>6�96H�K:O:H�9:�8DCIGDA:�KDAJCIhG>D��DJ�/",��+�%��H:�8=:<6B�6�:H	
IGJIJG6H�>CI:GC6H�8DBD�BsH8JADH�A>HDH�:�86G9n68D�DJ�<AiC9JA6H
� )DGI6CID��6H
>C;DGB6kr:H�FJ:�E6GI:B�9DH�G:8:EIDG:H�E:G>;lG>8DH�6D�,'���;DGB6B�K>6H
6;:G:CI:H�DJ�H:CHDG>6>H��8DCH8>:CI:H�DJ�CjD���:�6FJ:A6H�FJ:�;6O:B�D�86B>C=D
>CK:GHD�HjD�6H�K>6H�:;:G:CI:H�DJ�BDIDG6H
� �B76H�8DCHI>IJ:B�DH�C:GKDH
E:G>;lG>8DH�FJ:�HjD�8DCH>9:G69DH�B>HIDH�;JC8>DC6AB:CI:��:B�HJ6�B6>DG>6
(H�C:GKDH�:HE>C=6>H���
�E6G:H��HjD�ID9DH�B>HIDH�:��C6�:CIG696�96�B:9JA6
:HE>C6A��H:�9>K>9:B�:B�9J6H�G6nO:H��6�9DGH6A�8DB�>BEJAHDH�6;:G:CI:H�:�6�K:CIG6A
8DB�DH�BDIDG:H
�'6�9DGH6A�:C8DCIG6BDH�D�<iC<A>D�H:CH>I>KD�:HE>C=6A��DC9:
DH�8DGEDH�9DH�C:JGqC>DH�H:CH>I>KDH�H:�:C8DCIG6B
��HI:H�C:JGqC>DH�ImB��EDG	
I6CID��JB�EGDADC<6B:CID�8:CIG6A��:B�9>G:kjD�f�B:9JA6��:�JB�EGDADC<6B:CID
E:G>;lG>8D��:B�9>G:kjD�6DH�G:8:EIDG:H��:MI:GD8:EIDG:H�96�E:A:��EGDEG>D8:EIDG:H
9:�BsH8JADH�:�I:C9r:H��:�>CI:GD8:EIDG:H�9:�KnH8:G6H�:�K6HDH�
(H�C:GKDH�8G6C>6CDH��
��E6G:H��HjD�=:I:GD<mC:DH��H:C9D�D�
T���T�:��T
E6G:H�H:CH>I>KDH�:�D��T���T���T�:�
�T�EG:9DB>C6CI:B:CI:�BDIDG:H
�)D9:B
H:G�9:CDB>C69DH��CD�H:CI>9D�6CI:GD	EDHI:G>DG��8DB�6A<6G>HBDH�GDB6CDH
�M:BEAD��E6G�"��C:GKD�DA;6IpG>D
(H�C:GKDH�:HE>C=6>H�:HIjD�9>K>9>9DH�E:A6�H6n96�C6�8DAJC6�K:GI:7G6A��:
HjD���8:GK>86>H��
��IDGh8>8DH����ADB76G:H����H68G6>H�:�
�8D88n<:D
(H�C:GKDH�8G6C>6CDH�ED9:B�H:G�K>HIDH�C6�I67:A6�676>MD��8DB�H:JH�G:	
HE:8I>KDH�CDB:H�:�;JCkr:H�EG>C8>E6>H�
"�	�(%��-a+"(
""�	�a)-"�(
"""�	�(�.%(&(-(+
"/�	�-+(�%��+
/�	�-+" _&�(
/"�	����.��'-�
/""�	����"�%	"'-�+&^�"(
/"""�	�/�,-`�.%(	�(�%��+
"1�	� %(,,(��+`' �(
1�	�/� (
1"�	����,,a+"(
1""�	�!")( %(,,(
(A;6ID
/>HjD
&DK>B:CID�(8JA6G
&DK>B:CID�(8JA6G
&>HID�� ,:CH>7>A>969:��:�)6GI:��6
�67:k6��&DIDG��6�&6HI><6kjD
&DK>B:CID�(8JA6G
&>HID�� &DIG>8>969:�&nB>86� �6
�68:�� JHI6kjD�� AiC9JA6H�,6A>K6G:H
��%68G>B6A
�J9>kjD���,:CI>9D��:�)DH>kjD��6
�67:k6�	��FJ>An7G>D��DGEDG6A
&>HID��%nC<J6����6G>C<:
&6>DG�':GKD�/>H8:G6A��&>HID�
&>HID��&sH8JADH��D�):H8DkD��+6>O
�HE>C=6A����/>H8:G6A��+6>O��JA76G�
&DIDG��6�%nC<J6
206
Elementos de Anatomia Humana
(�,>HI:B6�':GKDHD�&DIDG�/>H8:G6A�I6B7lB�l�8=6B69D�9:�,'�6JIqCD	
BD�:�HJ6�9>K>HjD�8AhHH>86�:B�9D>H��H>BEhI>8D�:�E6G6HH>BEhI>8D��l�68G:H8>9D
9D�,'�:CIlG>8D��:HE:8>6A�E6G6�D�IG6ID�<6HIGD	>CI:HI>C6A
��H6n96�9D�,'�H>BEhI>8D�68DCI:8:�E:ADH�C:JGqC>DH�EGl	<6C<A>DC6G:H�
FJ:�8DBEr:B�C:GKDH�:HE>C=6>H�IDGh8>8DH�:�DH�9D>H�ADB76G:H�B6>H�HJE:G>	
DG:H��:CFJ6CID�CD�,'�E6G6HH>BEhI>8D�6�H6n96�l�8G6C>6C6��"""��/""��"1��1�:
1"�E6G:H�8G6C>6CDH��DJ�H68G6A��9:�,��6�,��
,J6�K>6�BDIDG6�E:G>;lG>86�;6O�H>C6EH:�8DB�JB�H:<JC9D�C:JGqC>D��D
EpH	<6C<A>DC6G��8J?DH�8DGEDH�H:�:C8DCIG6B�:B�<iC<A>DH�BDIDG:H�K>H8:G6>H
,:�DH�<iC<A>DH�BDIDG:H� K>H8:G6>H� :HIjD�EGpM>BDH�f� 8DAJC6�K:GI:7G6A
�<iC<A>DH�E6G6�:�EGl	K:GI:7G6>H��;6O:B�E6GI:�9D�H>BEhI>8D��H:�:HIjD�EGpM>BDH
DJ�9:CIGD�9DH�pG<jDH	6AKD�96�E:G>;:G>6��;6O:B�E6GI:�9D�E6G6HH>BEhI>8D
��B6>DG>6�96H�KnH8:G6H�EDHHJ>�>C:GK6kjD�B>HI6��>
:
��H>BEhI>86�:�E6G6H	
H>BEhI>86
�(H�K6HDH��9:CIG:�6H�:M8:kr:H��Hp�EDHHJ:B�>C:GK6kjD�H>BEhI>86
�B�<:G6A��6H�z�7G6H�E6G6HH>BEhI>86H�HjD�8DA>ClG<>86H��EGD9JO:B�EG>C	
8>E6AB:CI:�8DBD�C:JGDIG6CHB>HHDG�FJnB>8D�6�68:I>A8DA>C6��:�6H�H>BEhI>86H
HjD�69G:ClG<>86H�C6H�z�7G6H�EpH	<6C<A>DC6G:H��EGD9JO:B�CDG69G:C6A>C6�
�H�hG:6H�9D�H>HI:B6�C:GKDHD�8:CIG6A�FJ:�8DB6C96B�D�H>HI:B6�C:GKDHD
K>H8:G6A��C:JGqC>DH�EGl	<6C<A>DC6G:H��HjD�D�!")(-V%�&(�:�D�,",-�&�
%`&�"�(��CD�:C8l;6AD���FJ:�:HIjD�I6B7lB�CD�8DB6C9D�9D�8DBEDGI6	
B:CID�:BD8>DC6A
�6n�6�G:A6kjD�C6�8AnC>86�Bl9>86�:CIG:�6AI:G6kr:H�:BD8>DC6>H�:�9D:Ck6HK>H8:G6>H�8DBD�6�sA8:G6�<hHIG>86
�&6H�D�pG<jD�6AKD�9:HI6H�6AI:G6kr:H�I6B7lB
ED9:�H:G�9D�,'�HDBhI>8D��8DBD�6�9D:Ck6�9:�E:A:�8=6B696�EHDGn6H:
�><JG6�
�
�!>EDIhA6BD�	�'s8A:DH�EG>C8>E6>H��%iB>C6�
�����	�'�--�+���
�!
��IA6H�9:��C6IDB>6
!JB6C6
���:9
�)DGID��A:<G:���GIB:9�������
207
Anatomia básica do Sistema Nervoso Central e Periférico Aula
13�������;�
�>K>HjD�9D�H>HI:B6�C:GKDHD�l�JB6�:HIG6Il<>6�E6G6�D�H:J�6EG:C9>O69D�:B
E6GI:H
��A:�;JC8>DC6�8DBD�JB�ID9D�:�ED9:Gh��:B�9:I:GB>C696H�8>G8JCHIiC	
8>6H��EDG�:M:BEAD��;JC8>DC6G�>CKDAJCI6G>6B:CI:��8DBD�D�IG:BDG�96H�BjDH
DJ�6H�E:GC6H�76B76H��HD7G:�JB6�BJH8JA6IJG6�FJ:�C6�B6>DG>6�96H�K:O:H�l
8DCIGDA696�KDAJCI6G>6B:CI:
�H�;JCkr:H�BDIDG6H�9D�H>HI:B6�C:GKDHD�6JIqCDBD�HD7G:�ID9D�D�8DGED
ED9:�H:G�K>HI6�C6�z�<JG6�676>MD
�><JG6���
�,>HI:B6�C:GKDHD�6JIqCDBD�	��HFJ:B6��%iB>C6�
���	�'�--�+���
�!
��IA6H�9:��C6IDB>6�!JB6C6
���:9
�)DGID
�A:<G:���GIB:9�������
208
Elementos de Anatomia Humana
�
����
)6G6�8D7G>G�6H�;JCkr:H�H:CHDG>6>H��BDIDG6H�KDAJCIhG>6H�:�BDIDG6H�K>H	
8:G6>H��6AlB�96H�;JCkr:H�EHnFJ>86H�HJE:G>DG:H��D�,'�8DB�HJ6H�8lAJA6H�;DG6B
H:�8DC8:CIG6C9D�:B�:HIGJIJG6H�FJ:�B68GDH8DE>86B:CI:�ED9:B�H:G�K>HI6H�6
DA=D�CJ��96C9D�DG><:B�6D�:HIJ9D�9D�H>HI:B6�C:GKDHD�CDH�H:G:H�K:GI:7G69DH
��<G6C9:�B6>DG>6�96H�8lAJA6H�H:�8DC8:CIG6�CD�8=6B69D�C:JGD	:>MD��DJ
H>HI:B6�C:GKDHD�8:CIG6A��AD86A>O69D�9:CIGD�96�86K>969:�8G6C>6C6��:C8l;6AD�
:�CD�86C6A�K:GI:7G6A��B:9JA6�:HE>C6A���H:C9D�EGDI:<>9D�E:AD�:HFJ:A:ID
��E6GI:�9D�,'�FJ:�96n�E6GI:�E6G6�DH�pG<jDH� f� 9>HIiC8>6��9:�DJIGDH
H>HI:B6H��8=6B6	H:�,'�E:G>;lG>8D��:�:HIh�;DGB69D�76H>86B:CI:�EDG�8DG9r:H
:H7G6CFJ>k69DH�FJ:�8=6B6BDH�9:�'�+/(,
'D�:C8l;6AD��:C8DCIG6BDH�D�8lG:7GD��I:A:C8l;6AD�:�9>:C8l;6AD���D�IGDC8D
:C8:;hA>8D��B:H:C8l;6AD��EDCI:�:�7JA7D��:�D�8:G:7:AD��EDG�IGhH�9D�IGDC8D
:C8:;hA>8D�
(H�C:GKDH� :HIjD�9>K>9>9DH� :B��
�E6G:H� :HE>C=6>H� �FJ:� 8DC:8I6B�f
B:9JA6�:HE>C6A��:�
��E6G:H�8G6C>6CDH��FJ:�8DC:8I6B�6D�:C8l;6AD�6IG6KlH
9D�8GiC>D�
(�H>HI:B6�C:GKDHD�E:G>;lG>8D�l� ;DGB69D�EDG��C:GKDH�� H:JH�<iC<A>DH
�9>A6I6kr:H� 8DB�8DGEDH�9:�C:JGqC>DH� H:CH>I>KDH�DJ�BDIDG:H�K>H8:G6>H�� :
I:GB>C6kr:H�C:GKDH6H�96H�K>6H�6;:G:CI:H��G:8:EIDG:H�A>KG:H�DJ�86EHJA69DH�
DJ�:;:G:CI:H��EA686H�BDIDG6H�:�K6G>8DH>969:H�K>H8:G6>H�
-6CID�6H�z�7G6H�6;:G:CI:H�:�:;:G:CI:H�9D�,'�HDBhI>8D��96�E:A:�:�HJ7	
8JIiC:D��BsH8JADH�� I:C9r:H� :� 6GI>8JA6kr:H�� FJ6CID� 9D� ,'�K>H8:G6A� �9DH
BsH8JADH�A>HDH�9:�K6HDH�:�KnH8:G6H��BsH8JAD�86G9n68D�:�<AiC9JA6H��E:G8DG	
G:B�D�H>HI:B6�C:GKDHD�E:G>;lG>8D�E6G6�:C8DCIG6G�HJ6�IG6?:IpG>6�:HE:8nz�86
CD�,'�8:CIG6A��,'��
,:� 6� ;JCkjD� l� 8DCH8>:CI:�� :HI6H� K>6H� 8=:<6B� DJ� H6:B�9D� 8lG:7GD
�I:A:C8l;6AD�:�9>:C8l;6AD�
�(�8pGI:M�8:G:7G6A�l�6�hG:6�B6>H�>BEDGI6CI:�E6G6
6H�;JCkr:H�8DCH8>:CI:H
�
�
�@���	�
���+�&6G@��
���(''(+,��6GGN�0
��)�+��",(�&>8=6:A��
��$2/,"(K+�
"( 0���$03$+# +#,�,��(01$* ��$/3,0,����:9
�)DGID��A:<G:���GIB:9������
�+(,,&�'��
�+
��'��+2��
 �$2/, + 1,*( �P��*�1$41,�()201/ #,
$*�",/$0� ��:9
�+>D�9:�#6C:>GD�� J6C676G6�$DD<6C������
$"�+'�'�� #D=C��
 �$2/, + 1,*( �'2* + �#$�
 //� ��:9
�+>D�9:
#6C:>GD��&6CDA:������
$(%����GN6C��0!",!�0��"6C�*
� �$2/,"(K+"( �#,�",*-,/1 *$+1,�
+>D�9:�#6C:>GD��&6CDA:��9
��G6H>A������
209
Anatomia básica do Sistema Nervoso Central e Periférico Aula
13&��!��(���C<:AD
�$2/, + 1,*( �%2+"(,+ )����:9
�,jD�)6JAD���I=	
:C:J��
���
&�+-"'��#D=C�!
�$2/, + 1,*( �P��$41,�$�	1) 0��)DGID��A:<G:���GI:H
&l9>86H��
���
&�'�,�,��&
�,
�$2/, + 1,*( �	-)(" # ��+>D�9:�#6C:>GD�� J6C676G6
$DD<6C��
���
'�--�+���G6C@�!
 	1) 0�#$�	+ 1,*( ��2* + ����:9
�)DGID��A:<G:�
�GIB:9������

Outros materiais