embryonic membrane

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  • noun

Synonyms for embryonic membrane

the inner membrane of embryos in higher vertebrates (especially when covering the head at birth)


References in periodicals archive ?
Each larva is surrounded only by an embryonic membrane, which eventually breaks, releasing the veliger larva.
Stage 2: gastrulation, cellular organization, and differentiation are evident; first embryonic membrane is ruptured as the embryo becomes asymmetrical; blastopore can be discerned
Stage 5: late embryonic maturation; second embryonic membrane has ruptured, freeing the second antennae; shell spine remains curved along the anterior carapace edge
Stage 1: cleavage, embryo is symmetrically enclosed within two embryonic membranes with no evidence of cellular differentiation
The purpose of the question is to compare the function and structure of extra- embryonic membranes in typical bird and mammal embryos.