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The inferior horn of the lateral ventricle, or temporal horn, is the largest of the horns. [1] It extends anteriorly from the atrium beneath the thalamus and terminates at the amygdala. [ 1 ] The collateral eminence and hippocampus form the floor, which is separated from the hippocampus by a white matter layer called the alveus, whereas the ...
The calcar avis, (calcarine spur) previously known as the hippocampus minor, [1] is an involution of the wall of the lateral ventricle's posterior horn produced by the calcarine fissure. [2] It is sometimes visible on ultrasound [3] and can resemble a clot. [4]
Coronal section of inferior horn of lateral ventricle. Fimbria labeled at center left and alveus to the right. Fimbria-fornix fibers are the hippocampal and subicular gateway to and from subcortical brain regions. [13] [14] Different parts of this system are given different names:
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 fascia dentata is the earliest stage of the hippocampal circuit. [1] [2] Its primary input is the perforant path from the superficial layers of entorhinal cortex.Its principal neurons are tiny granule cells which give rise to unmyelinated axons called the mossy fibers which project to the hilus and CA3.
Inferior horn can refer to: Inferior horn of thyroid cartilage; Inferior horn of lateral ventricle This page was last edited on 28 ...
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 earliest description of the ridge running along the floor of the inferior horn of the lateral ventricle comes from the Venetian anatomist Julius Caesar Aranzi (1587), who likened it first to a silkworm and then to a seahorse (Latin hippocampus, from Greek ἱππόκαμπος, from ἵππος, 'horse' + κάμπος, 'sea monster'). [2]