Topic: Yolk Sac
Answers to Common Questions
What is a Yolk Sac?
A yolk sac is a fluid in an egg that provides nourishment to a developing embryo. It can be found within the eggs of reptiles, mammals, fish, and sharks. Read More »
Source: http://answers.ask.com/Health/Reproductive/what_is_a_yolk_sac
When does the Yolk Sac Disappear?
The yolk sac in human development of a baby never disappears. It becomes a part of the placenta. If the placenta is intact after delivery the yolk sac can still be seen. It is usually not visible on an ultrasound after 10 weeks gestation or... Read More »
Source: http://answers.ask.com/Health/Reproductive/when_does_the_yolk_sac...
When is yolk sac formed?
usually at 5 weeks Read More »
Source: http://wiki.answers.com/Q/When_is_yolk_sac_formed
Featured Content: Yolk Sac
Yolk-Sac
The yolk-sac is situated on the ventral aspect of the embryo; it is lined by entoderm, outside of which is a layer of mesoderm. It is filled with fluid, the vitelline fluid, which possibly may be utilized… More »
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Answers to Other Common Questions
It is a membranous sac attached to an embryo, functioning as the circulatory system of the human embryo before internal circulation begins until about 3 weeks of age if I recall. It also forms the umbilical cord Read More »
Source: http://wiki.answers.com/Q/What_is_the_function_of_the_yolk_sac_in...
Pregnant with no sac? You really need to talk to you're doctor about that. When you find out update the rest of us. Read More »
Source: http://wiki.answers.com/Q/The+yolk+sac+is+gone+did+you+miscarry
n. See endodermal sinus tumor. Read More »
Source: http://www.answers.com/topic/yolk-sac-tumor
yolk sac: membranous structure that functions as the circulatory system in mammalian embryos until the heart becomes functional; membranous structure enclosing the yolk of eggs in birds, reptiles, marsupials, and some fishes Read More »
Source: http://www.kgbanswers.com/what-is-the-meaning-of-yolk-sac/1173085...
umbilical vesicle; vesicula umbilicus; vitelline sac; yolk sac Read More »
Source: http://www.audioenglish.net/dictionary/yolk_sac.htm
yolk sac: membranous structure that functions as the circulatory system in mammalian embryos until the heart becomes functional; membranous structure enclosing the yolk of eggs in birds, reptiles, marsupials, and some fishes Read More »
Source: http://www.kgbanswers.com/whats-the-definition-of-yolk-sac/117308...
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