cisterna magna

(redirected from Cerebromedullary cistern)

cisterna

 [sis-ter´nah] (pl. cister´nae) (L.)
cisterna cerebellomedulla´ris poste´rior the enlarged subarachnoid space between the undersurface of the cerebellum and the posterior surface of the medulla oblongata; called also cisterna magna.
cisterna chy´li the dilated portion of the thoracic duct at its origin in the lumbar region; called also receptaculum chyli.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

cisterna magna

The cranial subarachnoid space between the medulla and the cerebellum; the foramina of the fourth ventricle open into it. Cerebrospinal fluid flows from it into the spinal subarachnoid space.
See also: cisterna
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