the spinal cord Flashcards
1
Q
how is the spinal cord protected
A
in vertebral cavity (surrounded by bone)
wrapped in meninges (3 layers of connective tissue)
2
Q
name the layers of the meninges
A
outer- dura mater
middle- arachnoid matter
inner- pia mater
3
Q
describe dura mater
A
tough, dense
4
Q
describe arachnoid matter
A
web like arrangement of collagen and elastic fibres
5
Q
describe pia mater
A
transparent layers of collagen and elastic fibre
6
Q
how long is the spinal cord
A
42-45cm in length
7
Q
spinal cord functions
A
routes signals along pathways
