Lec 1 Flashcards
What’s the location of brain steam⁉️
🔅in basilar part of occupital bone ➡️clivus
What’s the components of brain steam ⁉️
🔶mid brain
🔶pon
🔶medulla
Brain steam is attached to the cerebellum through ⁉️
🔅cerebellum peduncles
Types of peduncles that conect the brain steam with cerebullm ⁉️⁉️
🔹superior
🔹middle
🔹inferior
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
Ventral surface components of medulla ⁉️
▪️pyramid ▪️anteriomeduan fissure ▪️posterolateral suclus ▪️anterolateral suclus ▪️olive
What’s anterimedian fissure ⁉️
🔅found in ventral surface of medulla
🔅upward extension of anteriomedian fissure of spinal cord
🔅
What’s pyramid ⁉️
🔺Elevation on each side of anteriomedian fissure
Pyramid is made of ⁉️
Corticospinal fibers 🤡
What’s olive 🫒⁉️
🔶found in ventral surface of medulla
🔶elevation lateral to pyramid
Olive is made of ⁉️
🔹bulging in inferior olivary nucleus
What’s anterolateral sulcus ⁉️
🔺groove between pyramid and olive
What’s the nerve that passes through the anterolateral sulcus ⁉️
▪️hypoglssal nerve
What’s the posteriolateral sulcus ⁉️
🔅found in the ventral surface of medulla
🔅groove lateral to olive 🫒
What’s the nerves that passes posteriolateral sulcus ⁉️
🫒vagus
🫒crinal accessory
🫒glossopharyngal
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