noun Cell Biology.
a plaquelike site on a cell surface that functions in maintaining cohesion with an adjacent cell.

1930–35; < Greek desm(ós) band, chain (see desmid) + -o- + -some2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
desmosome (ˈdɛsməˌsəʊm)
cytology a structure in the cell membranes of adjacent cells that binds them together

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

desmosome des·mo·some (děz'mə-sōm', děs'-)
A structure that forms the site of adhesion between two cells, consisting of a dense plate in each adjacent cell separated by a thin layer of extracellular material. Also called macula adherens.

The American Heritage® Stedman's Medical Dictionary
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