Calcar avis

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Brain: Calcar avis
Posterior and inferior cornua of left lateral ventricle exposed from the side.
Coronal section through posterior cornua of lateral ventricle.
Gray's	subject #189 831
NeuroNames	hier-192
Dorlands/Elsevier	c_01/12204533

On the medial wall of the posterior cornu of the lateral ventricle is a longitudinal eminence, the calcar avis (hippocampus minor), which is an involution of the ventricular wall produced by the calcarine fissure.

[edit] Additional images

Human brain right dissected lateral view

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.

v • d • e Ventricular system General Choroid plexus - Circumventricular organs Lateral ventricles Body of lateral ventricle - Anterior horn of lateral ventricle - Posterior horn of lateral ventricle - Inferior horn of lateral ventricle - Calcar avis - Collateral eminence - Lamina affixa Third ventricle recesses: (Optic recess, Infundibular recess, Suprapineal recess, Pineal recess) Hypothalamic sulcus - Tela chorioidea of the third ventricle Subfornical organ Fourth ventricle Lateral recess - Tela chorioidea of the fourth ventricle - Taenia of fourth ventricle roof: Superior medullary velum - Inferior medullary velum floor/rhomboid fossa: Vagal trigone - Hypoglossal trigone - Obex - Sulcus limitans - Facial colliculus - Medial eminence Apertures Interventricular/Monro - Cerebral aqueduct/Sylvius - Median/Magendie and Lateral/Luschka