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Related to allantoic: allantoic diverticulum


n. pl. al·lan·to·i·des (ăl′ən-tō′ĭ-dēz′)
A membranous sac that develops from the posterior part of the digestive tract 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 allāntois, variant of allāntoīdēs, from Greek allāntoeidēs, sausage-shaped : allās, allānt-, sausage (perhaps from Greek dialectal (Magna Graecia) *allāwent-, (sausage) seasoned with garlic, from *allā-, garlic, of Italic origin; akin to Latin ālium, garlic; see allium) + -oeidēs, -oid.]

al′lan·to′ic (ăl′ən-tō′ĭk) adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.allantoic - relating to or characterized by an allantoisallantoic - relating to or characterized by an allantois
References in periodicals archive ?
After 18 hrs of dilation therapy, cervix was properly dilated and allantoic cavity (water bag) ruptured and about 45-50 liters of allantoic fluid escaped out from birth canal.
Duck cloacal swabs were obtained and inoculated into embryonated hens'eggs via the allantoic route and incubated for 96 hours at 37 degrees centigrade in a humidified incubator.
Maternal nutritional status can significantly affect intestinal absorption, the supply of amniotic and allantoic fluid nutrients, as well as the maintenance of uterine and placental function.
In their progeny embryos, IgA, IgG, and IgM antibodies to these Mycoplasma species were detected in the allantoic fluid (ALF) and amniotic fluid (AMF) on day 14 of embryonic development (ED).
The ureides, allantoin and allantoic acid, were first identified as important nitrogenous compounds in soybean in 1970 by Ishizuka.
After 3 days of incubation, allantoic fluid was collected and tested for haemagglutination activity.
The AI virus in collected Allantoic Fluid (AF) was diluted in sterile isotonic buffer (PBS at pH 7.
Samples positive for H7N9 virus by rRT-PCR were inoculated into the allantoic sac of 10-day-old specific pathogen free embryonated chicken eggs and incubated for 48-72 h at 35[degrees]C for virus isolation (13).
Hydrallantois or hydrops of allantois is a pathological condition affecting pregnant uterus characterized by rapid accumulation of watery, amber colored fluid inside allantoic cavity over a period of 5-20 days in late gestation and is always giving suspicion for twin/triplet pregnancy (Morrow, 1986).
Mouse-adapted influenza virus A/PR/8/34 (H1N1), which was maintained in Kitasato University (Tokyo, Japan), was grown in the allantoic cavity of 10-day-old embryonated hen eggs.
Autoanalytical procedure for the determination of allantoin and allantoic acid in soybean tissue.
Harvested fluid (Aamnio Allantoic Fluid, AAF) centrifuged at 4,000 rpm (Hettich Zentrifugen, Germany) for 10 minutes and supernatant was collected for inactivation.