Allantois[Gr. allantos - a sausage]. An extraembryonic membrane formed by an extension of the hindgut into the extraembryonic
coelom and consisting of
endoderm and splanchnic
mesoderm.
Full article >>>allantoisan
embryonic membrane of higher
vertebratesSource: Noland, George B. 1983. General
Biology, 11th Edition. St. Louis, MO. C. V. Mosby ...
Full article >>>Found in amniotes, it is one of the four extraembryonic
membranes (chorion,
amnion,
allantois and
yolk sac) that are
adaptations of the terrestrial
egg.
Full article >>>allantois - extra-
embryonic membrane emerging as a sac from the hindgut's
ventral wall; formed from the splanchnopleure (combination of
endoderm and splanchnic
mesoderm).
Full article >>>allantois,
amnion,
blastocyst,
blastomere,
blastula,
blastulation, chorion, chrysalis,
cleavage,
embryo,
embryogenesis,
embryogeny,
embryology, extra-
embryonic membrane,
fetus (or foetus),
gastrula,
gastrulation, germ layer, germ plasm, germination, ...
Full article >>>allantois(al-an-toh-iss) [Gk. allant, sausage]
One of four extraembryonic
membranes; serves as a repository for the
embryo's nitrogenous waste.
Full article >>>allantois One of the extraembryonic
membranes of the amniotes that functions in
respiration and
excretion in birds and reptiles and plays an important role in the development of the
placenta in most
mammals.
Full article >>>Allantois AlleleAlternative version of a
gene. [in
Mendel's peas] [in a three-point cross] [
RFLPs] [
hemoglobin beta chain] [and
protein polymorphisms] AllergenAn
antigen that provokes an allergic response.
Full article >>>Concepts in
developmental biology allantois,
amnion,
blastocyst,
blastomere,
blastula,
blastulation , chorion, chrysalis,
cleavage,
ectoderm,
embryo,
embryogenesis,
embryogeny ,
embryology,
endoderm, extra-
embryonic membrane ,
fetus (or foetus), ...
Full article >>>'"/>