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n.1.(Zool.) The outside covering of the Bryozoa.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
* Microscopic examination revealed a cyst wall composed of lamellated ectocyst with chronic inflammatory cell in pericyst, consistent with the diagnosis of hydatid cyst of broad ligament.
Separation of the ruptured endocyst layer from the ectocyst leads to a free floating membrane which produces the so-called water lily sign [7, 9].
The cyst contains three layers which are called the pericyst, ectocyst and endocyst [1].
Endocystectomy with partial pericystectomy was done without any intraperitoneal spillage and the margins of the pelvic peritoneum and remnant ectocyst sutured.
The ectocyst consisted of a thick wavy layer located near the more or less rounded endocyst.