3rd semester by lectures

Question 1

FG and FC convey fibers for _____________ sensation

Answer 1

Epicritic- position, touch, pressure, 2-point discrimination, vibration

Question 2

FG carries sensation from

Answer 2

lower limb

Question 3

FC carries sensation from

Answer 3

upper limb

Question 4

receptorsfor FG+FC

Answer 4

Meissner, Pacinian
muscle spindle
tendon organs

Question 5

1st neuron of FG+FC is

Answer 5

pseudounipolar

Question 6

2nd neuron ______ in the medulla

Answer 6

cross

Question 7

many axons from the 2nd neuron in nucleus cuneatus go to cerebellum through ______
they are called ______

Answer 7

inferior cerebellar peduncle

cuneocerebellar

Question 8

medial leminiscus reaches ____ in thalalmus

Answer 8

VPL

Question 9

anterior spinothalamic is the pathway for

Answer 9

crude touch

pressure

Question 10

lateral spinothalamic tract is the pathway for

Answer 10

pain
temparture
sexual

Question 11

all togather spinothalamic tract conveys _______ sensation

Answer 11

protopathic

Question 12

receptors for lateral spinothalamic tract

Answer 12

free nerve endings

Question 13

pain impulses are transmitted to spinal cord with ___ fibers and ____ fibers

Answer 13

A type (fast)
C type (slow)

Question 14

where do the axons of 2nd neurons of lateral spinothalamic tract cross?

Answer 14

anterior white commisure

Question 15

what makes up the tract of Lissauer?

Answer 15

central processes of first neuron - descending and ascending branches

Question 16

what makes up the spinal leminiscus?

Answer 16

2nd neurons of-
lateral spinothalamic tract
anterior spinothalamic tract
spinotectal tract

Question 17

receptors of the anterior spinothalamic tract

Answer 17

impulses from tactile corpuscles and from receptors about the hair follicles

Question 18

spinocerebellar tract is responsible for

Answer 18

proprioception about position of skeletal muscles, tendons and joints

Question 19

spinocerebellar tract receptors

Answer 19

muscle spindle
tendon organs
joint receptors

Question 20

which spinocerebellar tract cross?

Answer 20

anterior spinocerebellar tract

כי הם ראשונים מי שראשון מספיק לחצות את הכביש

Question 21

posterior spinocerebellar tract convey proprioception from

Answer 21

lower body parts

Question 22

1st axons of posterior spinocerebellar tract

Answer 22

terminate at dorsal nucleus=Clark’s

Question 23

axons of the 2nd neurons of posterior spinocerebellar tract enters cerebellum through

Answer 23

inferior cerebellar peduncle

Question 24

axons of the 2nd neurons of posterior spinocerebellar tract terminate wuth

Answer 24

Mossy fibers in the stratum granulosum of cerebellar cortex

Question 25

termination of the spinotectal tract?

Answer 25

superior colliculi

Question 26

spino-olivary tract enters cerebellum via

Answer 26

inferior cerebellar peduncle

Question 27

what are the cortico-spinal tracts?

Answer 27

1. cortico-bulbar (control of eye, jaw, face muscles) 2. lateral cortico-spinal (control of skeletal muscles) 3. anterior cortico-apinal (control of skeletal muscles)

Question 28

parts of the diencephalon

Answer 28

``` thalamus epithalamus (pineal body, habenula, stria medullaris) metathalamus (MGB, LGB) subthalamus hypothalamus ```

Question 29

what divides the thalamus?

Answer 29

lamina medullaris interna

Question 30

parts of the thalalmus

Answer 30

lateral medial anterior nuclei

Question 31

which are the motor relay nuclei of the thalamus?

Answer 31

VA | VL

Question 32

VPM job

Answer 32

- sensory input from the head to the cerebral cortex | - gustatory!

Question 33

MGB is in relationship to _____ pathway

Answer 33

auditory pathway. radiates to Br. 41,42 | מדיאל- מה שאתה שומע שניהם מתחילים במ'

Question 34

LGB is in relationship to _____ pathway

Answer 34

visual pathway. radiates to Br. 17 | lateral means visual

Question 35

lamina 2 is also called

Answer 35

substantia gelatinosa

Question 36

substantia gelatinosa becomes ________________ in the medulla oblongata

Answer 36

sinal nucleus of trigeminal

Question 37

lamina VII is also called

Answer 37

Clark's column | fibers of propioceptive sensations from the muscles terminate here

Question 38

what are Nissl bodies?

Answer 38

well developed rER indicating intense protein synthesis

Question 39

job of oligodendrocytes

Answer 39

support and insulation of axons in the CNS

Question 40

where can we find ependymal cells?

Answer 40

neuroepithelial lining of venricular system and central canal

Question 41

example for commissural fibers

Answer 41

corpus callosum

Question 42

example for projection fibers

Answer 42

internal capsule

Question 43

MGB goes to _____ colliculus

Answer 43

inferior

Question 44

LGB goes to _____ colliculus

Answer 44

superior