[¦ek·sō′gas·trə·lə] (embryology) An abnormal gastrula that is unable to undergo invagination or further development because of a quantitative increase of presumptive endoderm.
exogastrula
ex·o·gas·tru·la
(eks'ō-gas'trū-lă), An abnormal embryo in which the primordial gut has been everted.
ex·o·gas·tru·la
(eks'ō-gas'trū-lă) An abnormal embryo in which the primordial gut is everted.