Spinal cord and peripheral nerves

Question 1

Peripheral nerves

Answer 1

Cable like structures
Covered by connective tissue
Nerve fibres organised into fascicles

Question 2

Central nervous system

Answer 2

brain and spinal cord

Question 3

Peripheral nervous system

Answer 3

Somatic and Autonomic

Question 4

Somatic nervous system

Answer 4

Sensory: Special senses, receptors in skin and skeletal muscle
Motor: Skeletal muscle (voluntary)

Question 5

Autonomic nervous system

Answer 5

Sensory: Receptors in organs
Motor: Cardiac or smooth muscles of organs

Question 6

Spinal cord

Answer 6

Medulla to L1 level of vertebral column

Question 7

Cervical and lumbar enlargement

Answer 7

Ends of spinal cord are more enlarged due to more nerve fibres for upper and lower limb

Question 8

Conus medullaris

Answer 8

Tip of spinal cord

Question 9

Cauda equina

Answer 9

Bundle of lumbar and sacral roots

Question 10

Layers of spinal cord

Answer 10

Pia mater
Arachnoid mater
Dura mater

Question 11

Spinal segments

Answer 11

Regions of cord that gives advice to a pair of spinal cords
31 spinal segments

Question 12

What are the spinal segments?

Answer 12

8 Cervical
12 Thoracic
5 Lumbar
5 Sacral
1 Coccygeal

Question 13

Organisation of matter in spinal chord

Answer 13

White matter on outside, grey matter inside

Question 14

Dorsal rami

Answer 14

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