Lec 1 Flashcards by rana hisham

What’s the location of brain steam⁉️

🔅in basilar part of occupital bone ➡️clivus

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What’s the components of brain steam ⁉️

🔶mid brain
🔶pon
🔶medulla

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Brain steam is attached to the cerebellum through ⁉️

🔅cerebellum peduncles

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Types of peduncles that conect the brain steam with cerebullm ⁉️⁉️

🔹superior
🔹middle
🔹inferior

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Function of brain steam ⁉️

🔺origin site of crinal nerve neucli
🔺original site of crinal nerve emergenc
🔺original site of reticular formation nuvlei
🔺pathway tract between cerebral cortex and spinal cord

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Ventral surface components of medulla ⁉️

▪️pyramid 
▪️anteriomeduan fissure 
▪️posterolateral suclus 
▪️anterolateral suclus 
▪️olive

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What’s anterimedian fissure ⁉️

🔅found in ventral surface of medulla
🔅upward extension of anteriomedian fissure of spinal cord
🔅

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What’s pyramid ⁉️

🔺Elevation on each side of anteriomedian fissure

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Pyramid is made of ⁉️

Corticospinal fibers 🤡

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What’s olive 🫒⁉️

🔶found in ventral surface of medulla

🔶elevation lateral to pyramid

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Olive is made of ⁉️

🔹bulging in inferior olivary nucleus

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What’s anterolateral sulcus ⁉️

🔺groove between pyramid and olive

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What’s the nerve that passes through the anterolateral sulcus ⁉️

▪️hypoglssal nerve

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What’s the posteriolateral sulcus ⁉️

🔅found in the ventral surface of medulla

🔅groove lateral to olive 🫒

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What’s the nerves that passes posteriolateral sulcus ⁉️

🫒vagus
🫒crinal accessory
🫒glossopharyngal

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What’s the inferior fovea ⁉️

🔶v-shape sulcus
🔶found in dorsal surface of medulla
🔶devided into 3parts

What’s the three parts of inferior fovea ⁉️

🔅vagal triangle ➡️overlies vagal nucleus
🔅hypoglossal triangle ➡️overlies hypoglossal neclues
🔅cestibular triangle

What’s the features that’s found in dorsal surface of medulla ⁉️

🔺inferior fovea
🔺posteriomadian sulcus
🔺gracile fasciclus
🔺cuneate fasciulus

What’s posteriomedian sulcus ⁉️

🔅it’s an upward continuation of posteriomedian sulcus of spinal cord
🔅extended from the lower angle of 4th ventrical

What’s gracile fasciculus ⁉️🥲

🔹elevation lateral to posteriomedian sulcus
🔹overlie gracile tract
🔹expand from gracile tubrecal ➡️overlies gracile neucleus

What’s cuneate fasciulus ⁉️

🔶elevation lateral to gracile fasciulus
🔶overlies cuneate tract
🔶expanded from cuneate tubrecal ➡️overlies cuneate nuclei

What’s the components of pon ventral surface ⁉️

🔶basilar griove
🔶nerves
🔶transverse pontine

What’s the shape of ventral surface of the pons ⁉️

🌟convex

🌟continues with middle peduncles

What’s the basilar groove ⁉️

▪️found in the ventral surface of pons
▪️median groove
▪️lodge of basilar artery

What’s transverse pontine ⁉️

📍origin ➡️pontine nuclei 📍pass➡️middle peduncles 📍opposite ➡️cerebral hemispheres

What’s the nerves of ventral surface of pon ⁉️

🔹trigemnal nerve ➡️middle part of pons 🔹abducent nerve ➡️lower border of pond 🔹Facil/vestibular nerve ➡️lower border of pons

What’s the components of the dorsal surface of pons ⁉️

🔶superior fovea | 🔶facial calliculus

What’s the superior fovea⁉️

🔺depression in the flour of fourth ventricle

What’s the function of superior fovea ⁉️

🔺separate the medial eminance from vestibular area

What’s facial colliculus ⁉️

▪️elevation in the lower part of medial eminence

What’s the components of facial colliculus ⁉️

📍vestibular neucli /lateral and superior 📍abducent neucli 📍facial nerve fibers

What’s the name of narrow lumine in the mid brain 🧠⁉️

🔶cerebral aquaduct

What’s the structure that passes through cerbral aquduct in the mid brain 🧠⁉️

🌟coronal plane ✈️

What’s the function of coronal plane that passes through cerebral aqueduct ⁉️🧠

📍to separate the mid brain into ventral part and dorsal part

What’s the name of ventral part in the midbrain ⁉️

🔶cerebral peduncle

What’s the name of dorsal part in the midbrain ⁉️

Tectum

The cerbral peduncle is differentiated into 3 parts ⁉️

📍tegmentum 📍crus cerebri 📍nigra