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S.N Anatomy IV > 3rd semester by lectures > Flashcards

3rd semester by lectures Flashcards

1
Q

FG and FC convey fibers for _____________ sensation

A

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

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2
Q

FG carries sensation from

A

lower limb

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3
Q

FC carries sensation from

A

upper limb

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4
Q

receptorsfor FG+FC

A

Meissner, Pacinian
muscle spindle
tendon organs

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5
Q

1st neuron of FG+FC is

A

pseudounipolar

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6
Q

2nd neuron ______ in the medulla

A

cross

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7
Q

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

A

inferior cerebellar peduncle

cuneocerebellar

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8
Q

medial leminiscus reaches ____ in thalalmus

A

VPL

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9
Q

anterior spinothalamic is the pathway for

A

crude touch

pressure

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10
Q

lateral spinothalamic tract is the pathway for

A

pain
temparture
sexual

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11
Q

all togather spinothalamic tract conveys _______ sensation

A

protopathic

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12
Q

receptors for lateral spinothalamic tract

A

free nerve endings

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13
Q

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

A 
A type (fast)
C type (slow)
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14
Q

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

A

anterior white commisure

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15
Q

what makes up the tract of Lissauer?

A

central processes of first neuron - descending and ascending branches

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16
Q

what makes up the spinal leminiscus?

A

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

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17
Q

receptors of the anterior spinothalamic tract

A

impulses from tactile corpuscles and from receptors about the hair follicles

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18
Q

spinocerebellar tract is responsible for

A

proprioception about position of skeletal muscles, tendons and joints

19
Q

spinocerebellar tract receptors

A

muscle spindle
tendon organs
joint receptors

20
Q

which spinocerebellar tract cross?

A

anterior spinocerebellar tract

כי הם ראשונים מי שראשון מספיק לחצות את הכביש

21
Q

posterior spinocerebellar tract convey proprioception from

A

lower body parts

22
Q

1st axons of posterior spinocerebellar tract

A

terminate at dorsal nucleus=Clark’s

23
Q

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

A

inferior cerebellar peduncle

24
Q

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

A

Mossy fibers in the stratum granulosum of cerebellar cortex

25
Q

termination of the spinotectal tract?

A

superior colliculi

26
Q

spino-olivary tract enters cerebellum via

A

inferior cerebellar peduncle

27
Q

what are the cortico-spinal tracts?

A
  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)
28
Q

parts of the diencephalon

A 
thalamus
epithalamus (pineal body, habenula, stria medullaris)
metathalamus (MGB, LGB)
subthalamus 
hypothalamus
29
Q

what divides the thalamus?

A

lamina medullaris interna

30
Q

parts of the thalalmus

A

lateral medial anterior nuclei

31
Q

which are the motor relay nuclei of the thalamus?

A

VA

VL

32
Q

VPM job

A
  • sensory input from the head to the cerebral cortex

- gustatory!

33
Q

MGB is in relationship to _____ pathway

A

auditory pathway. radiates to Br. 41,42

מדיאל- מה שאתה שומע שניהם מתחילים במ’

34
Q

LGB is in relationship to _____ pathway

A

visual pathway. radiates to Br. 17

lateral means visual

35
Q

lamina 2 is also called

A

substantia gelatinosa

36
Q

substantia gelatinosa becomes ________________ in the medulla oblongata

A

sinal nucleus of trigeminal

37
Q

lamina VII is also called

A

Clark’s column

fibers of propioceptive sensations from the muscles terminate here

38
Q

what are Nissl bodies?

A

well developed rER indicating intense protein synthesis

39
Q

job of oligodendrocytes

A

support and insulation of axons in the CNS

40
Q

where can we find ependymal cells?

A

neuroepithelial lining of venricular system and central canal

41
Q

example for commissural fibers

A

corpus callosum

42
Q

example for projection fibers

A

internal capsule

43
Q

MGB goes to _____ colliculus

A

inferior

44
Q

LGB goes to _____ colliculus

A

superior

S.N Anatomy IV (14 decks)

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