primitive gut


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primordial gut

a flat sheet of intraembryonic endoderm that will change into a tubular gut due to the folding of embryonic body-head, tail, and lateral body folds.

primitive gut

pri·mor·di·al gut

(prī-mōr'dē-ăl gŭt)
A flat sheet of intraembryonic endoderm that will change into a tubular gut due to the folding of embryonic body-head, tail, and lateral body folds.
Synonym(s): primitive gut.
References in periodicals archive ?
Primitive gut is composed of four main regions which are pharyngeal gut, foregut, midgut, and hindgut; respectively.
Of these, persistence of foetal gut diverticula, defect in recanalisation of the solid stage of primitive gut, partial twining and the split notochord theories are popular.
The origin of placental teratoma is obscure but germ cell theory is widely accepted2 According to this theory in the early stages of embryogenesis the primitive gut evaginates into the umbilical cord during which time primordial germ cells from the primitive gut migrate through the gut wall and are deposited in the connective tissue of the cord and eventually pass into connective tissue between amnion and fetal surface of