Brain Stem at Diyala University | Flashcards & Summaries

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Lernmaterialien für brain stem an der Diyala University

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what is the mid brain (mesen-cephalon) , how you can study it in anatomy ?
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What is the most superior of the three regions of the brainstem it acts as a contact between the forebrain above on the pones on the cerebellum below,
study as external and internal anatomy and vasculture 
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What is the part of the midbrain ( external anatomy) ?
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1-tectum
2-cerebral peduncle 
(remember we are still in cerebrum)
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function of quadrigeminal brachium ? 
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  • Superior quadrigeminal brachium : forms a pathway between the superior colliculus and the retina of the eye.
  • Inferior quadrigeminal brachium : conveys fibres from the lateral lemniscus and inferior colliculus to the medial geniculate body (Auditory pathway)
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Gray matter is 
white matter is 
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Gray matter = nuclei 
white matter = tract
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the white matter of midbrain ? enumerate 
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They art tracts which divided int ascending and descending tracts 
1-ascending tractcs (lemniscus)
-medial
 -trigeminal 
-lateral
-lateral spinothalamic tract (spinal lemniscus)
2 - descending tracts 
a-from Crus Ceribri
-corticospinal
-corticonuclear
-corticopontine (frontopontine,temporopontine)
b-from tegmentum
-Rubrospinal Tract and it’s rubrobulbar tract 
-Tectospinal and it’s  tectobulbar tract
-Medial Longitudinal Fasciculus
and others 
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What do the rubrobulbar tract form ? 
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Some efferent axons form a rubrobulbar tract to motor nuclei of the trigeminal, facial, oculomotor, trochlear and abducent nerves 
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Rubrospinal tract function?
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TESTE DEIN WISSEN
The tract is responsible for large muscle movement regulation flexor and inhibiting extensor tone as well as fine motor control.
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TESTE DEIN WISSEN
What a rubrobulbar tract of efferent axons of Rubrospinal tract form ?  
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TESTE DEIN WISSEN
هو عبارة عن تفرعات من Rubrospinal tract الراجع  (مو الصاعد) 
ينطي رفلكس يربط بين التراكت وبين motor nuclei of the trigeminal, facial, oculomotor, trochlear and abducent nerves
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What is a tectobular tract ? 
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tract of nerve fibers that originate in the superior colliculus, descend with the tectospinal tract, and terminate in a fasciculus at the level of the medulla oblongata.
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What is Tectospinal tract and tectobular tract function ?
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Tectospinal visual and auditory function 
tectobullar ocular reflex or muscle of eye reflex  (انفتاح العين مباشرةً)
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What is the function of superior colliculi ?
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Visual and auditory mechanism 
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The function of inferior colliculs ?
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auditory mechanism (main)
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Beispielhafte Karteikarten für deinen brain stem Kurs an der Diyala University - von Kommilitonen auf StudySmarter erstellt!

Q:
what is the mid brain (mesen-cephalon) , how you can study it in anatomy ?
A:
What is the most superior of the three regions of the brainstem it acts as a contact between the forebrain above on the pones on the cerebellum below,
study as external and internal anatomy and vasculture 
Q:
What is the part of the midbrain ( external anatomy) ?
A:
1-tectum
2-cerebral peduncle 
(remember we are still in cerebrum)
Q:
function of quadrigeminal brachium ? 
A:
  • Superior quadrigeminal brachium : forms a pathway between the superior colliculus and the retina of the eye.
  • Inferior quadrigeminal brachium : conveys fibres from the lateral lemniscus and inferior colliculus to the medial geniculate body (Auditory pathway)
Q:
Gray matter is 
white matter is 
A:
Gray matter = nuclei 
white matter = tract
Q:
the white matter of midbrain ? enumerate 
A:
They art tracts which divided int ascending and descending tracts 
1-ascending tractcs (lemniscus)
-medial
 -trigeminal 
-lateral
-lateral spinothalamic tract (spinal lemniscus)
2 - descending tracts 
a-from Crus Ceribri
-corticospinal
-corticonuclear
-corticopontine (frontopontine,temporopontine)
b-from tegmentum
-Rubrospinal Tract and it’s rubrobulbar tract 
-Tectospinal and it’s  tectobulbar tract
-Medial Longitudinal Fasciculus
and others 
Mehr Karteikarten anzeigen
Q:
What do the rubrobulbar tract form ? 
A:
Some efferent axons form a rubrobulbar tract to motor nuclei of the trigeminal, facial, oculomotor, trochlear and abducent nerves 
Q:
Rubrospinal tract function?
A:
The tract is responsible for large muscle movement regulation flexor and inhibiting extensor tone as well as fine motor control.
Q:
What a rubrobulbar tract of efferent axons of Rubrospinal tract form ?  
A:
هو عبارة عن تفرعات من Rubrospinal tract الراجع  (مو الصاعد) 
ينطي رفلكس يربط بين التراكت وبين motor nuclei of the trigeminal, facial, oculomotor, trochlear and abducent nerves
Q:
What is a tectobular tract ? 
A:
tract of nerve fibers that originate in the superior colliculus, descend with the tectospinal tract, and terminate in a fasciculus at the level of the medulla oblongata.
Q:
What is Tectospinal tract and tectobular tract function ?
A:
Tectospinal visual and auditory function 
tectobullar ocular reflex or muscle of eye reflex  (انفتاح العين مباشرةً)
Q:
What is the function of superior colliculi ?
A:
Visual and auditory mechanism 
Q:
The function of inferior colliculs ?
A:
auditory mechanism (main)
brain stem

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