Cortical irritability is when an increase of beta activity and corresponding over-activation is seen in areas associated with areas of epileptic focus and is associated with hallucinations. Sometimes the increase of beta-activity can be visualized as spindling beta rhythms which can be recognized as cortical irritability, epilepsy, toxic encephalopathies and is mostly seen around the waxing and waning spindles over the effected cortex.
I do not think that cortical irritability has anything to do with eating disorders, but people with eating disorders are usually irritable, but outside of that I haven't the foggiest.
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the function of the cortical artery is the kidenys
The cerebral does moderate generalized volume loss with prominence of the ventricles and cerebral cortical sulci. It refers to the brain volume loss.
cortical radiate veins, arcuate veins, interlobar veins, renal vein
Renal Arteries--> Segmental Arteries--> Lobar Arteries--> Interlobar Arteries--> Arcuate Arteries--> Cortical Radiate Arteries--> Afferent Arterioles--> Glomeruli--> Efferent Arterioles--> Peritubular Capillaries--> Cortical Radiate Veins--> Arcuate Veins--> Interlobar Veins--> Renal Vein.Read more: Trace_a_drop_of_blood_from_the_time_it_enters_the_kidney_in_the_renal_artery_until_it_leaves_the_kidney_through_the_renal_vein
It's a sign of (severe) cerebral atrophy. It's being seen on CT or/and MRI scans of the brain. Generalized sulcal prominence diffusely is consistent with diffuse brain atrophy.