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Allantoic

   Also found in: Medical, Encyclopedia, Wikipedia 0.03 sec.
al·lan·to·is  (-lnt-s)
n. pl. al·lan·to·i·des (ln-t-dz)
A membranous sac that develops from the posterior part of the alimentary canal in the embryos of mammals, birds, and reptiles. It is important in the formation of the umbilical cord and placenta in mammals. Also called allantoid.

[New Latin, from allantodes, from Greek allantoeids, sausage-shaped : allas, allant-, sausage + -oeids, -oid.]

allan·toic (ln-tk) adj.
ThesaurusLegend:  Synonyms Related Words Antonyms
Adj.1.allantoic - relating to or characterized by an allantois


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The specimens from untreated hosts were isolated from the plasma of an H5N1-infected human (9) and from virus-containing allantoic fluid isolated from infected chickens, ducks, and cats (n = 16) during a 2005 outbreak in Thailand.
However, it appeared that the embryo's posture in ovo was continuously perturbed by both the spontaneous contractions of the allantoic membrane and the self-induced perturbations resulting from nonstabilized movement in an aqueous medium (amniotic fluid).
Allantoic fluid from the inoculated eggs was diluted in brain-heart infusion (BHI) medium to yield a final titer of 106 embryo 50% infectious doses ([EID.
 
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