Spinal cord Flashcards
What neurones does the spinal cord consist of?
Ascending and descending neurones
How many cervical nerve pairs are there?
8
How many thoracic nerve pairs are there?
12
How many lumbar nerve pairs are there?
5
How many sacral nerve pairs are there?
5
How many coccygeal nerves are there?
1
What level is the end of the spinal cord at in children?
L3
What level does the spinal cord end at in adults?
L1
What protects the spinal chord?
The vertebral column/spine
What is the vertebral column separated into?
Cervical, thoracic, lumbar, sacral and coccygeal
What does each vertebrae consist of?
vertebral body and vertebral arch which form the vertebral foramen.
What is the vertebral arch made of?
Two pedicels, lamina, two transverse processes, one spinous process and four articular processes
What do intervertebral discs form?
fibrocartilaginous joint between two adjacent vertebrae to allow movement and for shock absorption
What do interverbal discs contain?
annulus fibrosus, nucleus pulposus and layer of hyaline cartilage
