ExtraPyrmidal Tract

Question 1

بسم الله الرحمن الرحيم وبه نستعين
الحمدلله الذي لا يحمد علي مكروه سواه فالشر ليس إليه
المسارات النازلة بتتقسم ل؟

Answer 1

Pyramidal antreior and lateral corticospinal
Extra Pyrmidal :

Question 2

Mention ExtraPyrmidal Tracts

Answer 2

In midbrain RT
Rubrospinal Tract
Tecto spinal Tract
In PontoMedullary Junction : vo
Vstibulo spinal trace med lat
Olivo spinal Tract
Extends Througout Brainstem?
Reticulospinal tract med and lat
RTVOR
رتفوووووووور
يا تغوووووووووور

Question 3

Pyramidal Tract fucntion ?

Answer 3

For skilled vluntary movments of Distal parts of Limbs

Question 4

Fucntion of Extrapyramidal Tracts?

Answer 4

Subconcsous motor functions platform adjusting and maintance of ?
Posture - equilibrium -Muscle tone ) Synergistic with The skilled Pyramidal function

Question 5

Another Functions of Extrapyramidal Tract?

Answer 5

1-Semiautomatic Motor Complex as Swinging Hand during walking
2-Alternative for pyrmidal Tract

Question 6

what is tectum ?

Answer 6

posteior part of mid brain has 4 nuclei
2 superior colliculi
2inferior Colliculi

Question 7

Tectospinal tract connects ?

Answer 7

Tectum with Cervical spinal cord

Question 8

Why tectospinal ends at cervial spinal cord?

Answer 8

as it is repsonsible for Movment o Head+Neck Mucles Only

Question 9

Tectospnal tract ends at?

Answer 9

Medial Group of Anteiror horn cells for neck Muscles

Question 10

Tectospinal tract origin
?

Answer 10

Tectum of midbrain
superior Colliculus

Question 11

Crossiing of Tectospinal tract ?

Answer 11

Dorsal Tegmental deucssation in midbrain till anterior white column of cervcail semgents of spinal cord

Question 12

Site of Tectospinal Tract?

Answer 12

Anterior white column of Cervical Ssegments of Spinal cord

Question 13

Function of Tectospinal tract?

Answer 13

Reflex of Turning Head +Neck Towards Visual + AuditorY+Cutanuous stimuli

Question 14

الرياضة بناء الروح

Question 15

Rubrospinal tract origin ?

Answer 15

Red Nucleus Of MidBrain upper level of Midbrain

Question 16

Mention 2 decussations in midbrain

Answer 16

Ventral Temgental deucssation fro Rubrospinal Tract
Dorsal Tegmental Decussation for Tectospinal Tract

Question 17

Tecto and rubro are ?

Answer 17

Contralateral control

Question 18

Site if Rubro and Tectospinals ?

Answer 18

Rubro = Lateral White column
Tecto :Anteiror White column

Question 19

Rubro descned in ?

Answer 19

Lateraaaaaaaaaal White Cervical !!!! Column

Question 20

Ending of Rubro and tectospinal tracts?

Answer 20

Each in Cervical AHCs but
Rubro ? Lateral group distal muscles
Tectoooo? Mediaaaal proximal muscles

Question 21

Mention Function of Rubrospinal Tract ?

Answer 21

Stimulate flexor and inhibts extensor Muscle tone of Upper limb with Pyramidal Tract

Question 22

Mention Origins of Medial And Lateral Vstibulospnal tracts

Answer 22

Medial and Lateral Vestibulospinal Nuclei

Question 23

Compare Between Crossing of med and lat vestibulosspinal tracts

Answer 23

Medial VST : Some crossed some remian uncrossed still in medial longitudinal bundle
Lateral VST :UNcrossed

Question 24

Compare site of Both VST

Answer 24

Both Anterior Column
Medial : down to t3
Lateral :Whole spinal cord

Question 25

ending of med and lat Vestibulospinal tract ?

Answer 25

Alphan + gamma neuron of externsor muscles

Question 26

Function Of Medial VST ?

Answer 26

Reflex to keep head and vision postion horizontal? during body tilting

Question 27

Extensor Muscle of The leg are called ?

Answer 27

Antigravity Muscles

Question 28

Lateral vestibulospinal tract Function ?

Answer 28

Adjusting Posture !!!
Receving Cerbellar impulses by Later vestibulospinal Nucleus then send to extensors of The leg
SubConsious

Question 29

Medial Reticulospinal tract is called?
and the lateral ?

Answer 29

Pontine Reticulospinal Tract
Medullay reticulospinal tract for the lateral

Question 30

Origin of Medial Reticulospinal Tract and Lateral Reticlopsonal tract ?

Answer 30

Medial from Pontine Reticular Formation
Lateral from Medullay reticular Formation

Question 31

Compare Crossing of Medial and Lateral Reticulospinal Tract

Answer 31

Medial is UNcrossed
Lateral is Crossed

Question 32

Compare the site of Both medial and lateral reticulospoinal tracts ?

Answer 32

Medial reticulospinal Tract through anterior Column
Whole cord
Lateral Reticulospinal Tract Through Lateral Column Whole Cord

Question 33

What is the end of Both Medial And lateral Reticulospinal Tracts ?

Answer 33

Gamma motor Neurons of Lamina IX 9 in spinal cord
Gamma motor Neuron of Lamina IX 9 in spinal cord
Gamma Motor Neuron of Lamina XI 9 in spinal cord

Question 34

Compare Functions of medial and lateral reticulospinal tracts

Answer 34

Antagonism appear in their functions as ? :
Medial : Facilitates Extensor Tone
Lateral : Inhibit Extensor Tone

Question 35

Show Origin of Olivospinal tract

Answer 35

Inferior Olivary Nucleus in Medulla Oblongata

Question 36

Inferior Olivary Nucleus Receive Impulses from ?

Answer 36

Cerebellum so share in
Unconsiou propicepton
equillibrium + position + balane
SubConscous motor movments

Question 37

Desribe Olivospinalt tract

Answer 37

Cerebellum gives to Inferior Olivary Nucleus giving axons cross and descned to AHCs

Question 38

Function OF OlivoSpinal Tract
mention

Answer 38

Receving from cerebellum to Inferior Olivary Nucleus so
1- Unconsciuous propricepton
2-Blance -equlibrium -postiton
3-Unconscious motor movments
in book ?
Relay proprception to cerebellum
Relay motor information to cerebellum by Olivo cerebellat tract ?

Question 39

Olivo spinal tract relay moto inforamtio to cerebellum through

Answer 39

Olivo Cerbellat Tract

Question 40

ويستنبئونك أحق هو ؟؟؟
قل أي وربي إنه لحق ,,,

Answer 40

وما أنتم بمعجزين !