Chapter 4 - Neurluation

Question 1

How does the neural tube form

Answer 1

Neural plate->Groove–>Tube

Question 2

What are the 3layers of the neural tube

Answer 2

Marginal -Outer (W.M)
Mantle - Middle (G.M)
Neuroepithelium - Inner (ependymal cells)

Question 3

Which somite does the spinal cord from

Answer 3

The 4th pair of the somites

Question 4

What is the neural tube made of

Answer 4

Neuroepithelial cells (makes neurons and glia)

Question 5

Type of macroglia:

Answer 5

Astrocyte (fibrous protoplasmis and radial)

Oligodendrocyte

Question 6

What is the tract of regression of the spinal cord

Answer 6

Cauda equina

Question 7

3 meninges go!

Answer 7

Dura - outermost thickest
Arachnoid - csf / avascular /
Pia- vascularized

Question 8

What are the two flexures formed

Answer 8

Hindbrain/Spinal cord - cervical

Midbrain - Cephalic

Question 9

Division of the

Proso

Answer 9

Telen -> cereb hemisphere (lat vent)

Dien -> epithal,hypothal, thal,neurohypophysis (3rd Ventric)

Question 10

Mesen-

Answer 10

Mesen ->Midbrain

Cerebral aquaduct

Question 11

Rhombo

Answer 11

Meten -> Pons Cerebellum ( 4th V)

Myelen ->Medula (4th V

Question 12

Cranial Nerves

Answer 12

Olf S
Optic S
Occulo M
Troch M
Trig B
Abducense M
Facial B
Vestibulochlear S
Glossopharangyeal B
Vagus B
Accessory M
Hypoglossal M