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Body of lateral ventricle shown in red. The body of the lateral ventricle, or central part is the part of the ventricle between the anterior horn and the trigone. Its roof is bound by the tapetum of the corpus callosum - and is separated medially from the other lateral ventricle by the septum pellucidum. The tail of the caudate nucleus forms ...
The ventricles contained within the rhombencephalon become the fourth ventricle, and the ventricles contained within the mesencephalon become the aqueduct of Sylvius. 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 ...
The corpus callosum has four main parts – individual nerve tracts that connect different parts of the hemispheres. These are the rostrum, the genu, the trunk or body, and the splenium. [4] Fibres from the trunk and the splenium, known together as the tapetum ("carpet"), form the roof of each lateral ventricle. [6]
The calcar avis, (calcarine spur) previously known as the hippocampus minor, [1] is an involution of the wall of the lateral ventricle's posterior cornu produced by the calcarine fissure. [2] It is sometimes visible on ultrasonogram [3] and can resemble a clot. [4]
Ventricular system. Lateral ventricles. Angular bundle; Anterior horn; Body of lateral ventricle; Inferior horn; Posterior horn. Calcar avis; Subventricular zone; Third ventricle; Fourth ventricle; Foramina Interventricular Foramina; Cerebral Aqueduct; Foramina of Luschka; Foramen of Magendie
The lateral ventricles also contains the right and left internal cerebral veins (which drain the choroid plexuses) at its roof (the two veins unite to form the great cerebral vein). [citation needed] The arteries carrying blood into the choroid plexuses are: [citation needed] the anterior choroidal artery (branch from the internal carotid).
Lamina affixa is a layer of epithelium growing on the surface of the thalamus and forming the floor of the central part of lateral ventricle, on whose medial margin is attached the choroid plexus of the lateral ventricle; it covers the superior thalamostriate vein and the superior choroid vein.
Ventriculomegaly is a brain condition that mainly occurs in the fetus when the lateral ventricles become dilated. The most common definition uses a width of the atrium of the lateral ventricle of greater than 10 mm. [1] This occurs in around 1% of pregnancies. [2]