lecture 13

Question 1

brain stem is divided into three parts

Answer 1

midbrain , pons , medulla oblengata

Question 2

Diencephalic structures:

Answer 2

• Optic Chiasma
• Optic tract
• Lateral geniculate body
• Hypophysis (only infundibulum is shown)
• Mammillary bodies

Question 3

mid brain parts:

Answer 3

cerebral peduncles(רגליים של המוח ) שהוא חומר לבן
interpeduncular fossa ( space between tow peduncles) –> it has perforated substance (as black dots)
oculomotor nerve CN 3 (eyeball)

Question 4

what nerves are not created from the brainstem

Answer 4

olfactory(1) that is telencephalon , optic (2) that is diencephalon

Question 5

trochlear nerve

Answer 5

the only dorsal nerve (4) also responsible for eye ball

Question 6

pons

Answer 6

it is like bridge in Venice created from metancephalon

Question 7

pons parts:

Answer 7

basilar part of pons , basilar groove , Trigeminal nerve(5) (medial to it is the basilar part of pons)
middle cerebellar peduncle (מחברים את המוח הקטן עם פונז)

Question 8

medulla oblongata parts:

Answer 8

pyramid( if we cut the medulla it will be as a Tringale)
olive (inferior and superior)
* Inferior cerebellar peduncles
* CN. 9,10,11
* CN. 12

Question 9

Diencephalic Structures dorsal aspect:

Answer 9

• Thalamus
• 3rd ventricle
• Habenular triagone
• Pineal gland
• Medial geniculate body
• Lateral geniculate body

Question 10

Midbrain dorsal aspect:

Answer 10

Tectum (=roof) of Midbrain
Lamina quadrigemina
* Superior colliculus
* Inferior colliculus
* Superior brachium
* Inferior brachium
* Trochlear nerve (CN. 4)

Question 11

how is LGB and superior colliculus are connected

Answer 11

superior brachium

Question 12

how is MGB and inferior colliculus are connected

Answer 12

inferior bracium

Question 13

can someone hear with out the inferior colliculus working as needed ?

Answer 13

no

Question 14

can someone see with out the superior colliculus working as needed ?

Answer 14

yes

Question 15

floor of the 4th ventricle

Answer 15

pontine Tringale
medullary Tringale
median sulcus
2 sulcus limitans
medial eminence
* Vestibular area
* Locus coeruleus( the blue area)
* Stria Medullares

Question 16

noradrenaline / norepinephrine is created in

Answer 16

locus coeruleus

Question 17

medullary Tringale parts:

Answer 17

• Hypoglossal and vagal trigone
• Obex
• Area Postrema

Question 18

hypoglossal nerve :

Answer 18

responsible for the movement of the tounge and it comes from down the tounge

Question 19

מאיזו שולפחית עוברית מתפתח ה midbrain

Answer 19

mesoncephalon

Question 20

interpendacular fossa

Answer 20

מפרידה בין crus cerebri
יש בה posterior perforated substance

Question 21

oculomotor nerve function and place

Answer 21

יוצא מן posterior perforated substance
מזיז את גלגל העין

Question 22

השלפוחית שמתפתח ממנה olfactory nerve

Answer 22

1st nerve , telencephalon

Question 23

troclear nerve is

Answer 23

4th nerve , הזזת גלגל העין

Question 24

השלפוחית שמתפתח ממנה optic nerve

Answer 24

diencephalon

Question 25

השלפוחית שמתפתח ממנה pons

Answer 25

metan

Question 26

what do middle cerebellar peduncles connect

Answer 26

pons , cerebellum

Question 27

למה pyramid נקרא כך

Answer 27

כי כולל בתוכו חומר לבן ואקסונים של ניורונים פירמידאלים מהקורטקס המוטורי

Question 28

inferior olivary nucleus function

Answer 28

motor and connection with cerebellum

Question 29

MGB חלק מאיזו חוש

Answer 29

חוש שמיעה

Question 30

superior brachium connects

Answer 30

superior colliculi to LGB כי הוא ממערכת הראייה

Question 31

נזק ב inferior colliculi מביא לחרישות

Answer 31

נכון

Question 32

Rohmboid fossa is divided into

Answer 32

pontine triangle
medullary triangle

Question 33

sulcus limitanes בעובר ובבגור

Answer 33

בעובר מפריד בין dorsal , ventral
בבוגר medial eminens in medulla

Question 34

vestibular area

Answer 34

כל מה שהוא לטראלי ל medial emminnince
אחראי על שיווי משקל

Question 35

החלל שמתחת ל obex

Answer 35

central canal

Question 36

בין tectum ו tagmentum of midbrain עוברת

Answer 36

cerebral aqueduct

Question 37

מה שמפריד בין cerebellum and the 4th ventricle

Answer 37

superior medullary velum , inferior medullary velum