ভাস্কুলার ভ্রূণের ঝিল্লি chorion নিচে মিথ্যা এবং অনেক আদিম উচ্চতর মেরুদন্ডী (সরীসৃপ পাখি ও স্তন্যপায়ীদের hindgut থেকে বিকাশ যে

allantois's Usage Examples:

The allantois (plural allantoides or allantoises) is a hollow sac-like structure filled with clear fluid that forms part of a developing amniote's conceptus.

urachal fistula is a congenital disorder caused by the persistence of the allantois (later, urachus), the structure that connects an embryo's bladder to the.

is at first prolonged backward into the body-stalk as the tube of the allantois; but, with the growth and flexure of the tail-end of the embryo, the body-stalk.

connected to the yolk sac, the allantois, and via the umbilical cord, the placenta.

The yolk sac, amnion, chorion, and allantois are the four extraembryonic.

The amnion, along with the chorion, the yolk sac and the allantois form a protective sac around the embryo.

By comparison, hydrops allantois or hydrops amnion is an accumulation of excessive fluid in the allantoic.

The urachus is a fibrous remnant of the allantois, a canal that drains the urinary bladder of the fetus that joins and runs within the umbilical cord.

mesodermal layers of two extra-embryonic membranes – the chorion and the allantois.

bladder caused by failure of obliteration of proximal or distal part of the allantois, and the presentation of this anomaly is more common in children and rarer.

illustrating early formation of allantois and differentiation of body-stalk.

islands arise external to the developing embryo on the umbilical vesicle, allantois, connecting stalk and chorion.

A urachal cyst is a sinus remaining from the allantois during embryogenesis.

It contains the urachus, which is the obliterated form of the allantois.

The allantois forms a communication between the cloaca (terminal part of hindgut).

To compensate for this, the chorion and the allantois fuse together to form the chorioallantoic membrane.

the formation of several extensive membranes, the amnion, chorion, and allantois.

surrounds the yolk, the amnion which surrounds and cushions the embryo, the allantois which among avians stores embryonic waste and assists with the exchange.

Tbx4 has been shown to be expressed in the allantois, hindlimb, lung and proctodeum.

a congenital disorder caused by the partial persistence of the allantois.

The allantois, which later becomes the urachus, connects an embryo's bladder.

Germ cells migrate from near the allantois and colonize the primordial gonads.

The other fetal membranes are the allantois and the secondary umbilical vesicle.

allantois's Meaning':

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