Lec 2 Flashcards
What’s the cebrum ⁉️
The two cerbral hemisphere
What’s separated the 2 cerebral hemispheres ⁉️
Longitudinal fissure
What concert the two cerbral hemisphere ⁉️
🔅crpous colosseum
What’s the dural fold with a sickle shap that found in logitidunal fissure⁉️
Flexi cebre
What’s the horizantal dural fold that separated the cerbral hemisphere from cerebellum ⁉️
🔅teratunium cerbre
The cerbral hemisphere has three pole ⁉️
Frontal
Occipital
Temporal
The cerebral hemisphere has 3 surface ⁉️
🔶inferior
🔶superiolateral
🔶medial
The superiolateral surface of the cerbral hemisphere ⁉️
♦️the widest
♦️found letrally and upward
♦️it has a convex surface
The middle surface of the cerebral hemisphere ⁉️
🔅the flat surface
🔅separated from the opposite by longitudinal fissure
🔅contain the cc
The inferior surface ⁉️
🔸separated by steam of lateral sulcus
The 2 parts of the inferior surface of cerebral hemisphere ⁉️
Orbital ➡️anterior surface ➡️rest on roof of the orbit
Tentorial ➡️posterior surface ➡️rest on terronial cerbri
Main sulcui of cerebral hemisphere ⁉️
🔹central sulcus
🔹lateral sulcus
🔹parito occipital sulcus
🔹clarine sulcus
The central sulcus of cerebral hemisphere ⁉️
♦️🔅it’s called fissure or ronaldo
♦️it’s deep sulcus 1/2 inches behind the mid point between the frontal and ocippital poles
♦️extend oblique ➡️downward and forward
♦️extend on a small amount on the mediall
The lateral sulcus of cerebral hemisphere ⁉️
♦️its called saliva or fissure
♦️it has a stem that devided the inferior surface into 3 rami
The parito occipital sulcus of cerebral hemisphere ⁉️
♦️found 5 cm behind the occipital pole
♦️found on the superior middle margin of hemisphere
♦️extend ➡️forward and downward
The calra sulcus of cerebral hemisphere ⁉️
♦️found down the spleinum of cc
♦️separated by parito occipital
♦️posterior end reach occipital pole
The lobs of cerebral hemisphere ⁉️
♦️frontal
♦️occipital
♦️temporal
♦️parital
The sulci on superiolateral surface ⁉️
🔅central
🔅lateral
🔅occipital
🔅clara
🔅superior and inferior frontal ➡️
🔸extended forward
🔸close to precntral
🔅superior and inferior temporal➡️
🔸parallel to lateral sulcus
🔅precntral➡️
🔸1 cm finger bednth the central
🔅postcentral➡️
🔸1 cm finger before central
🔅intrapaital sulcus ➡️
🔸extended backwards
🔸from middline of postcentral
Superior and inferior frontal ⁉️
Close to precentral
Inferior and superior tempral
Parallel to lateral sulcus
Interparital
Middline of post central
Important gayrai in the superiolateral surface of cerebral hemisphere ⁉️
♦️angular gayrai ➡️area 39 ➡️posterior end of superior temparal sulcus
♦️superiormarginal➡️area40 ➡️posterior end of lateral sulcus
The poles that’s found on the superiolateral surface of cerebral hemisphere ⁉️
🔹temporal
🔹frontal
🔹parital
The superiolateral temporal lobe gayrai⁉️
♦️superior temporal gyri
➡️between lateral sulcus and superior temporal sulcus
♦️middle temporal gyri
➡️between superior and inferior sulcus
♦️inferior temporal
➡️below inferior temporal sulcus
♦️angular gyri
➡️posterior end of superior temporal sulcus
The gayri of frontal lope of superiolateral surface of cerebral hemisphere ⁉️
🔶superior frontal gyri
➡️above superior frontal sulcus
🔸middle frontal gyri
➡️between superior frontal sulcus and inferior frontal sulcus
🔸inferior frontal gyri
➡️below inferior frontal sulcus
➡️has three parts
🔸precntral gyri
➡️between precntral and central
The gyri of parital lope ⁉️
🔶superior parital gyri
➡️above parital sulcus
🔶inferior parital
➡️below parital sulcus
🔶postcentral
➡️between central and post central
🔶supramarginal
➡️posterior end of lateral sulcus
What are the sulcus of the medial surface of cerebral hemisphere ⁉️
🔸collasel sulcus
➡️upper part of cc
🔸cenigulate sulcus
➡️one fingger above 👆 and parallel to colasell sulcus
➡️at the end it’s devided into two rami infront and behind central sulcus
🔸central sulcus
➡️between 2 branches of singulte sulcus
🔸parito occipital sulcus
🔸clara sulcus
The main medial gyri of medial surface ⁉️
♦️precanu
♦️caneua
♦️liguinal
♦️⁉️medial frontal
♦️paracentral
Cingulate
The ligunal gyri of medial surface
🔶elongated
🔶toungh shape gyri
🔸extend from postclara sulcus to occipital
The precanue gyri of medial surface ⁉️
♦️infront of parito occipital
The canue gyri of medial surface ⁉️
♦️between postclara and parito occipital
The paracntral gyri of medial surface ⁉️
♦️surrounding the central sulcus
♦️between 2 branches of cingulte sulcus
Cingulte gyri
♦️found between collasel sulcus and cingulte sulcus
How the hippocampus gyrus is connected to cingulte gyri ⁉️
By isthmath
Lower border of posterior end curve down around spleniuum of cc
Medial frontal gyri ⁉️
Between cingulte and superior medial
The sulcus of inferior surface [orbital]
🔸olfactory sulcus
🔸orbital sulcus
🔸gyrus rictus