hypoblast


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hypoblast

[′hī·pō‚blast]
(embryology)
References in periodicals archive ?
Two-layered structure appeared with an outer the epiblast and inner hypoblast (Table VI).
Otherresearches on broiler quail and turkey eggs have shown thatwarming eggs prior to a 12 to 15-d storage period improves hatchability as it helps the embryo to develop to the so- called hypoblast stage: a stage of embryonic development that is able to survive storage better (Kosin 1956; Fasenko et al.
The hypoblast grows outward to form a layer of tissue (primitive endoderm) that lines the blastocoele and eventually gives rise to the yolk sac.