DEVELOPMENT OF NERVOUS SYSTEM

Question 1

immature neurons which become the structural and functional cells of the central
nervous system; a neuron would only persist if a functional synapse is formed

Answer 1

Neuroblast

Question 2

develop into the connective tissue of the CNS called neuroglia

Answer 2

Spongioblast

Question 3

what brain vesicle is these prosencephalon, mesencephalon, rhombencephalon

Answer 3

primary brain vesicle

Question 4

what brain vesicle is these telencephalon, diencephalon, mesencephalon, metencephalon,
myelencephalon

Answer 4

secondary brain vesicle

Question 5

Ventral cranial flexure which occurs in the midbrain

Answer 5

Cephalic flexure

Question 6

A gradual ventral bend between the hindbrain and the spinal cord

Answer 6

Cervical flexure

Question 7

A slight dorsal bending in the rhombencephalon

Answer 7

Pontine flexure

Question 8

covering of the CNS; composed of pia mater, arachnoid and dura mater; derived from
neural crest cells

Answer 8

Meninges

Question 9

gives rise to the nucleus pulposus, a gel-like substance surrounded by annulus
fibrosus found between vertebrae

Answer 9

Notochord

Question 10

spaces wherein CSF-secreting choroid plexuses are found

Answer 10

Ventricles

Question 11

consists of cranial and spinal nerves

Answer 11

peripheral nervous system (PNS)

Question 12

Nerve fibers within
peripheral nerves may be classified as ____

Question 13

Nerve fibers within
peripheral nerves may be classified as ___

Answer 13

afferent (sensory) or efferent (motor) and as somatic
(innervating skin and skeletal muscle) or visceral (innervating vessels and viscera).