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How’s your core knowledge of corona radiata anatomy?
Feeling cornered if asked for detail about the corona radiata?
Knowing the white matter tracts here is important. Do YOU?
Learn how to remember these tracts w/this month’s @theAJNR SCANtastic!
https://t.co/wcKHoga3AL
At the level of the corona radiata, the ventricles look like a guy doing jumping jacks.
This jumping jacks guy can help you remember the anatomy.
➡️Corpus callosum:
🔸This is central, by the guy’s core.
🔸Remember the CORpus callosum is by the CORE
➡️Limbs of the internal capsule:
🔸These are by the arms and legs
🔸Remember the LIMBS are by the guy’s LIMBS
🔸There are the anterior, posterior, and retrolenticular limbs & the go in the order you expect
🔸Anterior is in front, posterior is behind it & what is RETRO is way behind. So the rentrolenticular is all the way back.
➡️Thalamic radiations:
Two regions of thalamic radiations are here.
🔷Anterior thalamic radiations are in the anterior coronal radiata & along the posterior ventricle are the posterior radiations.
🔸Anterior thalamic radiations are by the guys hands—remember ThaHANDic radiations by the HAND
🔷Posterior thalamic radiations are by the soles of the feet—remember ThaLANDic radiations are where you land when you do jumping jacks
➡️Superior longitudinal fasciculus:
🔸This where the toes of the feet would be
🔸So remember it’s the Superiro LONGitdinal FEETsiculus—it’s where the toes of the LONG FEET would end
Hopefully, now questions about corona radiata anatomy won't give you a coronary!
Time to go with the flow!
Do you know the anatomy of internal carotid artery (ICA)?
Do you just say “carotid siphon” & hope no one asks for more detail?
Do you even know what "carotid siphon" means??
Here’s how to remember the ICA segments so they just flow off your tongue:
➡️C1 = Cervical
🔸Number 1 looks like a long straight neck. So C1 travels straight in the neck
➡️C2 = Petrous
🔸Number 2 makes a curve like a swan’s neck, the same way the petrous ICA curves as it enters the skullbasee
➡️C3 = Lacerum
🔸Number 3 looks like the zig zag of a ragged cut or laceration, so 3 is a laceration = lacerum
➡️C4 = Cavernous
🔸ICA takes a turn here, called the genu, which means knee. This is bc it bends like a knee
🔸Number 4 looks like a calf with a big gastrocnemius along the back so C4 is at the knee or genu
➡️C5 = Clinoid
🔸Clinoid comes from the same root as recline
🔸What do you do when you reCLINE? You take a break or take 5
🔸Take 5 and reCLINE!
➡️C6 = Ophthalmic
🔸Round whole in the number 6 looks like an eye, so 6 = ophthalmic
➡️C7 = Communicating
🔸Number 7 looks an open beak or pac man mouth talking = communicating, so 7 = communicating
So now you can be precise in your localization and siphon away the term “carotid siphon”!!