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Anatomy of Liliequist's Membrane

Brasil, Albert V. B. M.D.; Schneider, Felipe L. M.D.

Surgical Anatomy

THE ANATOMY OF Liliequist's membrane was studied in seven adult human cadavers by a technique that preserves the cisternal shape, stains arachnoid membranes violet, and fills the arteries with red gelatin. Our findings suggest the following about Liliequist's membrane: it is located between the interpeduncular cistern posteriorly, the carotid cisterns anterolaterally, and the chiasmatic cistern anteromedially; it is attached laterally to the mesial surface of the temporal lobe above the tentorial edge; it lies posterior to the infundibulum; and it presents a free edge between the optic tract and the temporal uncus.

Sao Jose Hospital Irmandade Santa Casa de Misericordia de Porto Alegre (AVBB) and Department of Morphological Sciences, Neuroanatomy Laboratory, Biosciences Institute, U.F.R.G.S. (FLS), Porto Alegre, Brazil

Reprint requests: Albert V. B. Brasil, M.D., R. DR. Vale 149, Porto Alegre RS, 90560-010 Brazil.

Received, May 4, 1992. Accepted, January 11, 1993.

Copyright © by the Congress of Neurological Surgeons