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The end part of the corpus callosum, towards the cerebellum, is called the splenium. This is the thickest part, and overlaps the tela choroidea of the third ventricle and the midbrain, and ends in a thick, convex, free border. Splenium translates as "bandage" in Greek. The trunk of the corpus callosum lies between the splenium and the genu.
It is secondary association cortex, making connections with numerous other brain regions. The region's name refers to its anatomical location immediately behind the splenium of the corpus callosum in primates, although in rodents it is located more
The boomerang sign is a radiological finding observed on magnetic resonance imaging (MRI) of the brain, particularly in diffusion-weighted imaging (DWI) sequences. It refers to a characteristic boomerang-shaped area of restricted diffusion in the splenium of the corpus callosum due to cytotoxic edema. [1]
The total number of long range fibers within a cerebral hemisphere is 2% of the total number of cortico-cortical fibers (across cortical areas) and is roughly the same number as those that communicate between the two hemispheres in the brain's largest white tissue structure, the corpus callosum. [4]
Separating the anterior horns of the lateral ventricles is the septum pellucidum: a thin, triangular, vertical membrane which runs as a sheet from the corpus callosum down to the fornix. During the third month of fetal development, a space forms between two septal laminae, known as the cave of septum pellucidum (CSP), which is a marker for ...
Corpus callosum; Anterior commissure; Amygdalofugal pathway; Interthalamic adhesion; Posterior commissure; Habenular commissure; Fornix; Mammillotegmental fasciculus; Incertohypothalamic pathway; Cerebral peduncle; Medial forebrain bundle; Medial longitudinal fasciculus; Myoclonic triangle; Solitary tract; Major dopaminergic pathways from ...
The corpus callosum is essential to the communication between the two hemispheres. [2] A recent study of individuals with agenesis of the corpus callosum suggests that the corpus callosum plays a vital role in problem solving strategies, verbal processing speed, and executive performance. Specifically, the absence of a fully developed corpus ...
The indusium griseum is prolonged around the splenium of the corpus callosum as a delicate layer, the fasciolar gyrus, [3] which is continuous below with the surface of the dentate gyrus. [4] The indusium griseum and fasciolar gyrus are very small components of the limbic lobe , and are continuations of the hippocampal formation, forming an ...