lecture 14

Question 1

decussation means:

Answer 1

like X in (רומית) to exchange left to right and right to left

Question 2

pineal gland is part of :

Answer 2

diencephalon and it creates melatonin in the body

Question 3

LGB

Answer 3

is responsible for seeing and connected to the thalamus

Question 4

MGB

Answer 4

responsible for hearing and connected to the thalamus

Question 5

obex:

Answer 5

is the area where the 4th ventricle closes

Question 6

Gracile tubercle is continues with

Answer 6

• Fasciculus gracilis

Question 7

• Cuneate tubercle is continues with

Answer 7

• Fasciculus cuneatus

Question 8

what is the place of the tegmentum

Answer 8

the tectum is dorsal to the tegmentum but the basilar part of pons is ventral to it

Question 9

the superior medullary velum

Answer 9

stands between the 4th ventricle and the cerebellum

Question 10

the inferior medullary velum

Answer 10

stands between the 4th ventricle and the cerebellum

Question 11

what are the sections of the midbrain in cross section ?

Answer 11

• Crus cerebri
• Substantia Nigra
• Red Nucleus
• Periaqueductal gray
  notice there are tow cross sections , one over the superior colliculi and one over the inferior

Question 12

בגזע המוח הפנימי מסילות עולות הן :

Answer 12

תחושיות

Question 13

בגזע המוח הפנימי מסילות יורדות הן :

Answer 13

מוטוריות

Question 14

ascending tracts are devided into:

Answer 14

medial ..
spinothalamic

Question 15

descending tracts are devided into:

Answer 15

corticobulber
corticspinal

Question 16

upper motor neuron

Answer 16

are Betz neurons that are in layer 5 in cortex

Question 17

lower motor neurons

Answer 17

if they are bulb then they are in brain stem , if they are spinal then in spinal cord

Question 18

primitive senses

Answer 18

touch , pain ,temperature

Question 19

advanced senses

Answer 19

fine, proprioception

Question 20

postcentral gyrus is in BA

Answer 20

1,2,3

Question 21

המוח הקטן הוא epsilateral / contralateral to the body

Answer 21

epsilateral כלומר באותה הצד מעובדים הדברים

Question 22

ההצטלבות בין המוח הגדול לבין הצטרבלום קורית ב

Answer 22

חתך inferior colliculi
inferior cerebellar peduncle

Question 23

facial colliculi place

Answer 23

4th ventricle