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 ?
Eggshell breakages are commonly classified as a complete breakage, in which both the shell and shell membranes are damaged, or as a microcrack (hairline crack), in which the shell is broken, but shell membranes are undamaged [7,8].
Shell thickness, shell membrane thickness, shell ratio, yolk ratio, albumen ratio and Haugh unit were calculated using following formulae (Kirikci et al.
Ultrastructural morphology of the shell and shell membrane of eggs of common snapping turtles (Chelydra serpentina).
While the most widely accepted benefit of this practice suggests that egg rotation prevents blood vessels from sticking to the inner shell membrane and rupturing, evidence suggests that antimicrobial effects of redistributed egg albumen (egg white) may be equally significant.