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  • noun

Words related to allantois

the vascular fetal membrane that lies below the chorion and develops from the hindgut in many embryonic higher vertebrates (reptiles, birds and mammals)

References in periodicals archive ?
Cytopathic effect was evident at 48-72 hours after inoculation of LMH and Vero cell cultures with the allantoic fluid from dead embryos.
The allantoic sac should either be obviously visible now, or show evidence that it's been there and has already ruptured.
Studies on biochemical constituents of goat allantoic fluid during different stages of gestation.
As shown in Figure 2a, the virus sample prepared by centrifugation at sucrose chosen was found to be very pure compared to infected crude allantoic fluid.
After incubation at 37[degrees]C for 48 hours (hrs), allantoic fluid was harvested and titrated in MDCK cells by a plaque assay.
While egg yolk, albumen, allantoic fluid [2], and also amniotic fluid from turkey [3] have been extensively studied for some of their properties and chemical compositions, there are scant literature reporting the physical properties and chemical composition of the amniotic fluid of eggs from broiler breeders during late-incubation stage.
One drop of allantoic fluid, collected during harvesting of virus, was dropped on a grease free glass slide.
Cord blood was collected by sectioning a fragment to expose a fresh segment and then draining the blood into the tube, and fetal blood was collected without contamination from other maternal or fetal tissues including placenta and amniotic and allantoic fluids.
The urachus is an embryological remnant resulting from the obliteration of the allantoic channel, which attaches the bladder dome to the umbilicus [31].
In soybean, it has a positive correlation with glutamine, choline, glucose 6-phosphate, dehydroascorbate, and allantoic acid, with glutamine showing the highest correlation (r = 0.76).
The allantoic suspensions of IVV with the same antigenic structure (H5N1 or H1N1) were combined in a single pool in a 1:1 ratio to obtain bivalent vaccine formulations, and then the mixtures of IVV (L7/ L12+Omp16) were mixed in a 1:1 ratio with sterile stabilizing medium containing 12% peptone from casein (Sigma-Aldrich) and 6% saccharose (Sigma-Aldrich), mixed, aliquoted into 1mL ampoules, lyophilized and stored at 2-8 [degrees]C.