spinal cord

Question 1

cervical enlargement

Answer 1

swelling in spinal cord because there is more neurons, attachment of large nerves which supply the upper limb (C2-C7)

Question 2

lumbosacral enlargement

Answer 2

widened area of the spinal cord which gives attachments to nerves that supply the lower limb (T11-L2)

Question 3

Conus Medularis

Answer 3

bundled, tapered end of the spinal cord nerves, situated near two lumbar vertebra

Question 4

cauda equina

Answer 4

sack of nerve roots around L3. Provide sensory, motor innervaton to the pelvis and lower limbs. Also bowel and bladder function.

Question 5

filum terminale internum

Answer 5

15 cm long, reaches into sacrum, contained in dura mater above Pia mater

Question 6

film terminale externum

Answer 6

closely adheres to dura matter, attaches down to coccyx

Question 7

spinal nerves

Answer 7

Dura mater
arachnoid mater
pia mater

Question 8

Anterior ramus

Answer 8

innervates the skin and muscle on the anterior aspect of the trunk

Question 9

posterior ramus

Answer 9

innervates the posterior vertebral muscles and skin of the back

Question 10

denticular ligament

Answer 10

triangular lateral extensions of Pia mater that anchors the spinal cord to the dura mater

Question 11

CSF

Answer 11

cerebrospinal fluid : protects the body from impacts