lecture 14 Flashcards
decussation means:
like X in (רומית) to exchange left to right and right to left
pineal gland is part of :
diencephalon and it creates melatonin in the body
LGB
is responsible for seeing and connected to the thalamus
MGB
responsible for hearing and connected to the thalamus
obex:
is the area where the 4th ventricle closes
Gracile tubercle is continues with
- Fasciculus gracilis
- Cuneate tubercle is continues with
- Fasciculus cuneatus
what is the place of the tegmentum
the tectum is dorsal to the tegmentum but the basilar part of pons is ventral to it
the superior medullary velum
stands between the 4th ventricle and the cerebellum
the inferior medullary velum
stands between the 4th ventricle and the cerebellum
what are the sections of the midbrain in cross section ?
- Crus cerebri
- Substantia Nigra
- Red Nucleus
- Periaqueductal gray
notice there are tow cross sections , one over the superior colliculi and one over the inferior
בגזע המוח הפנימי מסילות עולות הן :
תחושיות
בגזע המוח הפנימי מסילות יורדות הן :
מוטוריות
ascending tracts are devided into:
medial ..
spinothalamic
descending tracts are devided into:
corticobulber
corticspinal
upper motor neuron
are Betz neurons that are in layer 5 in cortex
lower motor neurons
if they are bulb then they are in brain stem , if they are spinal then in spinal cord
primitive senses
touch , pain ,temperature
advanced senses
fine, proprioception
postcentral gyrus is in BA
1,2,3
המוח הקטן הוא epsilateral / contralateral to the body
epsilateral כלומר באותה הצד מעובדים הדברים
ההצטלבות בין המוח הגדול לבין הצטרבלום קורית ב
חתך inferior colliculi
inferior cerebellar peduncle
facial colliculi place
4th ventricle