Radovan Hudak, David Kachlik Ondre j Voln4 et al


Posterior branches of the spinal nerves



Download 6,18 Mb.
Pdf ko'rish
bet97/100
Sana01.01.2022
Hajmi6,18 Mb.
#281770
1   ...   92   93   94   95   96   97   98   99   100
Bog'liq
memorix

Posterior branches of the spinal nerves 

Anterior branches of the spinal nerves

Spinal nerves

There are 31 pairs of spinal nerves. Aft er leaving the intervertebral foramen, the spinal nerve divides into two main 

branches: the posterior branch (ramus posterior) and the anterior branch (ramus anterior). Both branches contain af-

ferent and eff erent fi bres. The posterior branches retain segmental organisati on and provide motor innervati on of the 

epaxial muscles of the back and the sensory innervati on of the nape, back and butt ocks. The anterior branches form 

plexuses (plexus nervosi) for the limbs and retain segmental organisati on only in the thoracic nerves (nervi thoracici). 

Cervical nerves (nervi cervicales) C1 to C8

  – 8 pairs of cervical nerves, which innervate the skin

    and muscles of the upper limbs, head and neck 

Thoracic nerves (nervi thoracici) T1 to T12

  – 12 pairs of thoracic nerves, which innervate the intercostal muscles,

    skin and muscles of the back and thorax 

Lumbar nerves (nervi lumbales) L1 to L5

  – 5 pairs of lumbar nerves, which innervate the muscles and skin

    of the abdomen, thighs and skin of the genital organs

Sacral nerves (nervi sacrales) S1 to S5

  – 5 pairs of sacral nerves, which innervate the skin and muscles of the lower extremiti es 

Coccygeal nerve (nervus coccygeus) Co

  – 1 pair, rudimentary in humans

3

2

1



1

2

3



4

5

Suboccipital triangle and occipital nerves,



posterior view

Anterior branches of the spinal nerves

Memorix Anatomy book.indb   339

18. 2. 2016   17:40:56




340


Download 6,18 Mb.

Do'stlaringiz bilan baham:
1   ...   92   93   94   95   96   97   98   99   100




Ma'lumotlar bazasi mualliflik huquqi bilan himoyalangan ©hozir.org 2024
ma'muriyatiga murojaat qiling

kiriting | ro'yxatdan o'tish
    Bosh sahifa
юртда тантана
Боғда битган
Бугун юртда
Эшитганлар жилманглар
Эшитмадим деманглар
битган бодомлар
Yangiariq tumani
qitish marakazi
Raqamli texnologiyalar
ilishida muhokamadan
tasdiqqa tavsiya
tavsiya etilgan
iqtisodiyot kafedrasi
steiermarkischen landesregierung
asarlaringizni yuboring
o'zingizning asarlaringizni
Iltimos faqat
faqat o'zingizning
steierm rkischen
landesregierung fachabteilung
rkischen landesregierung
hamshira loyihasi
loyihasi mavsum
faolyatining oqibatlari
asosiy adabiyotlar
fakulteti ahborot
ahborot havfsizligi
havfsizligi kafedrasi
fanidan bo’yicha
fakulteti iqtisodiyot
boshqaruv fakulteti
chiqarishda boshqaruv
ishlab chiqarishda
iqtisodiyot fakultet
multiservis tarmoqlari
fanidan asosiy
Uzbek fanidan
mavzulari potok
asosidagi multiservis
'aliyyil a'ziym
billahil 'aliyyil
illaa billahil
quvvata illaa
falah' deganida
Kompyuter savodxonligi
bo’yicha mustaqil
'alal falah'
Hayya 'alal
'alas soloh
Hayya 'alas
mavsum boyicha


yuklab olish