ALLANTOIS
\ˈalantwˌɑː], \ˈalantwˌɑː], \ˈa_l_a_n_t_w_ˌɑː]\
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vascular fetal membrane that develops from the hindgut in embryonic higher vertebrates (reptiles, birds and mammals)
By Princeton University
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An embryonic diverticulum of the hindgut of reptiles, birds, and mammals; in man its blood vessels give rise to those of the umbilical cord.
By DataStellar Co., Ltd
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An embryonic organ, a membranous bag arising from the posterior part of the alimentary canal in the higher vertebrates, and acting as an organ of respiration or nutrition or both, and usually uniting with the chorion.
By Henderson, I. F.; Henderson, W. D.
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One of the membranes enclosing the fetus, the lower part developing into the bladder, and the upper into the urachus.
By Willam Alexander Newman Dorland
Word of the day
Proto Oncogene Proteins c erbB 2
- cell surface protein-tyrosine kinase that is found to be overexpressed in significant number adenocarcinomas. It has extensive homology can heterodimerize EGF EPIDERMAL GROWTH FACTOR), 3 receptor (RECEPTOR, 3) and the 4 receptor. Activation of erbB-2 receptor occurs during heterodimer formation with a ligand-bound erbB family members. EC 2.7.11.-.