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an outpouching of a layer or part.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
References in periodicals archive ?
Farther posteriorly, a large outpocketing of the ventral wall of the foregut, which curved to the right side of the foregut, was the prospective radular sac (Fig.
Winter and spring macroinvertebrate drift in an outpocketing of the lower Mississippi River, Louisiana (USA).
while others describe it as an outpocketing of the ectodermal rhynchodeum (reviewed in Friedrich.
The tentacle apparatus is composed of an ectodermal component that invaginates to meet an outpocketing of the endoderm.
Like teredinids, xylophagainids bore into woody substrates, ingest the excavated wood particles, and store them in a specialized caecum formed by an outpocketing of the stomach (Purchon, 1941; Turner, 1973).