Cerebellar tonsil
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| Brain: Cerebellar tonsil | ||
|---|---|---|
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| Under surface of the cerebellum. (Tonsil visible at center right.) | ||
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| Sagittal section of the cerebellum, near the junction of the vermis with the hemisphere. (Tonsil visible at bottom center.) | ||
| Latin | tonsilla cerebelli | |
| Gray's | subject #187 791 | |
| Part of | Cerebellum | |
| Artery | PICA | |
| NeuroNames | hier-668 | |
| Dorlands/Elsevier | t_13/12812425 | |
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Overview
The cerebellar tonsil (amygdaline nucleus) is a rounded mass, situated in the hemispheres of the cerebellum.
Pathology
Arnold-Chiari malformation is a congenital anomaly of the brain in which the cerebellar tonsils are elongated and pushed down through the opening of the base of the skull (see foramen magnum), blocking the flow of cerebrospinal fluid (CSF).
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 As such, some of the information contained herein may be outdated.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.
Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
