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a. A protective case of silk or similar fibrous material spun by the larvae of moths and certain other insects as a cover for the pupa.
b. A similar natural protective covering or structure, such as the egg case of a spider.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
Treatment Surgical lysis of adhesions and constricting bands
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
cocoonA descriptor for the fibrotic encasement of the entire small intestine in sclerosing peritonitis, a spontaneous idiopathic process in young ♀, which follows peritoneovenous shunting, practolol therapy, peritoneal dialysis, chemotherapy, where unknown toxins may stimulate fibroblastic proliferation, reactive fibrosis
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
cocoona protective covering of eggs or larvae found in several invertebrate groups. In some cases, e.g. ANNELIDS, a cocoon is produced by the adults to contain the eggs and in others, e.g. insects, by the larvae to protect the pupa during the course of development.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005