Chiasmatic cistern
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| Brain: Chiasmatic cistern | ||
|---|---|---|
| Latin | cisterna chiasmatica | |
| Gray's | subject #193 877 | |
| Dorlands/Elsevier | c_37/12241832 | |
In front, the cisterna interpeduncularis extends forward across the optic chiasma, forming the cistern of chiasma or chiasmatic cistern, and on to the upper surface of the corpus callosum, for the arachnoid stretches across from one cerebral hemisphere to the other immediately beneath the free border of the falx cerebri, and thus leaves a space in which the anterior cerebral arteries are contained. The "leaf" or extension of the chiasmatic cistern above the chiasma, which is separated from the optic recess of the third ventricle by the thin lamina terminalis, has been called the suprachiasmatic cistern. As spaces filled with freely circulating cerebrospinal fluid, cisterns receive little direct study, but are mentioned in pathological conditions. Cysts and tumors of the lamina terminalis extend into the suprachiasmatic cistern, as can pituitary tumors, or the cistern can be partially or completely effaced by injury and hematoma[1] or by blockage of the cerebral aqueduct.
References
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 As such, some of the information contained herein may be outdated.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.
Anatomy: meninges of the brain and medulla spinalis | |
|---|---|
| Layers | Dura mater (Falx cerebri, Tentorium cerebelli, Falx cerebelli, Diaphragma sellae)
Arachnoid mater (Arachnoid granulation) Pia mater |
| Spaces | Epidural space - Subdural space - Subarachnoid space (Cerebrospinal fluid) |
| Subarachnoid cisterns | Cisterna magna - Pontine cistern - Interpeduncular cistern - Chiasmatic - Lateral cerebral fossa - Of great cerebral vein |
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 .
