LEC.12 Flashcards
Beginning of spinal cord
continuation of medulla , below foramen magnum , at level of C1
length of spinal cord in male and female ?
45 cm in male , 42 in female
brachial plexus originate from ?
cervical enlargment C5-T1
ant.median spinal artery present in ?
ant.median spinal fissure
ant.median spinal artery distribution?
ant.2/3 it means :
1-ant. and lat . horn of spinal cord
2- Motor system( lat. and ventral CST , CBT)
ant.median spinal artery originate from ?
2 ant.spinal branches FROM ant.vertebral artery
post. spinal arteries originate from ?
either PICA or vertebral arteries
post.spinal arteries runs along ?
postro-lateral fissure
post.spinal artery distribution?
post.1/3 :
1- dorsal horn
2-dorsal faniculus
3- sensory system ( gracile, cauniate)
course of radicular artery
they enter from intervertebral foramena
divided into ant. + post
joining ant. and post. spinal arteries
what is the origin of radicular artery ?
they originate according to the place : 1- Neck : from vertebral + ascending cervical . a 2- thorax: intercostal . a 3- abdomen : lumbar . a 4-pelvis : lat.sacral arteries
the site of veins supplying spinal cord ?
Epidural space
what are the horns of gray mater of spinal cord ?
1- ant.horn
2-lat.horn
3-Dors.horn
ant.horn contain?
motor neuron
lat.horn site ?
only in thoracic + u.lumbar(T1-L2 OR L3 )
