- primitive endoderm
- primordial endoderm the primary internal layer of the gastrula that becomes both gut and yolk sac.
Medical dictionary. 2011.
primitive endoderm
Look at other dictionaries:
Endoderm — Organs derived from endoderm … Wikipedia
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endoderm — The innermost of the three primary germ layers of the embryo (ectoderm, mesoderm, e.); from it is derived the epithelial lining of the primitive gut tract and the epithelial component of the glands and other structures ( … Medical dictionary
primitive streak — the region of the embryo that proliferates rapidly, producing mesoderm cells that spread outwards between the layers of ectoderm and endoderm … The new mediacal dictionary
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