spongin

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spon·gin

(spŭn′jĭn)

A sulfur-containing protein similar to collagen that forms the elastic fibrous structure of certain sponges.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

spongin

(ˈspʌndʒɪn)

(Biochemistry) a fibrous horny protein that forms the skeletal framework of the bath sponge and related sponges

[C19: from German, from Latin spongia sponge + -in]

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

spon•gin

(ˈspʌn dʒɪn)

n.

a fibrous protein that is the main constituent of the skeleton in certain sponges.

[1865–70]

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You ain't goin' to do no spongin' off me just because I'm marryin' your sister.

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Since then, other authors have examined this phenomenon, describing different examples of inorganic particles embedded in the spongin skeletons of these animals.

Aquaporin in Chondrosia reniformis Nardo, 1847 and its possible role in the interaction between cells and engulfed siliceous particles

anchorata can be explained by the greater presence of spongin, a collagen constituent of the organic skeleton, a feature more representative in mass for members of the order Halichondrida than the inorganic skeleton (Brusca & Brusca, 2003).

Composicion proximal de invertebrados marinos de aguas costeras tropicales, con enfasis en la relacion entre los contenidos de nitrogeno y proteina

In the first case, the semi-lotic portion of the reservoir is recommended for the production of hard sponges because of the immediate availability of silica provided by the river, while, in the second case; the lentic portion is suitable, where the production of soft voluminous specimens was generalized, due to the greater quantities of spongin and organic components and the reduced number of spicules within the structure of the sponges.

Colonization of hydroelectric reservoirs in Brazil by freshwater sponges, with special attention on Itaipu/Colonizacion de reservorios de plantas hidroelectricas en Brasil por esponjas de agua dulce, con enfasis en el de Itaipu/Colonizacao de reservatorios de hidroeletricas no Brasil por esponjas de agua doce, com destaque para o de Itaipu

Of course, the most interesting property of spongin is that it can absorb large amounts of water.

Consider the sponge

The mesohyle was eventually necrotized, leaving large areas of the supportive framework of fibrous collagen (spongin) visible (Fig.

Trawl-induced damage to sponges observed from a research submersible

Bacterial attack of spongin skeleton during the 1986-1990 Mediterranean sponge disease.