Inner shell membrane definition

inner shell membrane

In avian biology, the membrane just inside an egg's outer shell membrane; it is thinner and less coarse than the outer membrane. The inner shell membrane contains the albumen and adheres tightly to the white of a hard-boiled egg, making it difficult to peel.
Found on https://academy.allaboutbirds.org/bird-academys-a-to-z-glossary-of-bird-ter

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