shell membrane


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shell membrane

[′shel ′mem‚brān]
(cell and molecular biology)
Either of a pair of membranes lining the inner surface of an egg shell; they allow free entry of oxygen but prevent rapid evaporation of moisture.
References in periodicals archive ?
The present literatures with respect to selenium and its protective effect on structural protein suggest that selenium is a key factor for the formation of organic matrix derived by shell membrane by maintaining the integrity of fibrous protein or collagen-like proteins, leading to increase in shell strength.The improvement in egg quality could be attributed to selenium and selenomethionine role in the synthesis of egg shell matrix, mineralization and also its contribution to antioxidant capacity and membrane integrity.
Arivazhagan et al [28] defined gross cracks as large cracks and holes that result in a broken shell membrane, whereas hairline cracks and star cracks are extremely fine cracks usually running lengthwise along the shell and slightly indented cracks radiating outward from a central point of impact, respectively.
Ultrastructural morphology of the shell and shell membrane of eggs of common snapping turtles (Chelydra serpentina).
Checked or Cracked: An individual egg with a broken or cracked shell but the shell membrane is not broken, therefore the contents of the egg are not leaking out
Shell membrane was then removed and its stubby diameter, sharp diameter and equator diameter were recorded accordingly.