amniotic (redirected from amniotic vesicle)

amniotic /am·ni·ot·ic/ (am″ne-ot´ik) pertaining to or developing an amnion.

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amniotic.

See amnion .

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amniotic

pertaining to the amnion.

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amniotic fluid

the albuminous fluid contained in the amniotic sac.

amniotic plaque

small, 2 to 4 mm diameter, poxlike lesion on the inside of the amnion. Constant on the bovine amnion during the middle trimester and causes no problems nor has any known function.

amniotic sac

the amnion; the sac enclosing the fetus suspended in the amniotic fluid.

amniotic vesicle

see amniotic sac (above). Palpation of the vesicle per rectum in the cow is a common test for pregnancy between the 35th and 65th day of pregnancy.

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Patient discussion about amniotic vesicle.

Q. what does it mean when an ultrasound shows an empty amniotic sac and no baby?

A. This exact thing happened with my friend who is now 22 weeks with her first baby. She had 2 additional sacs - both empty - and the doctor said that the pregnancy had probably started out as triplets but that only one of the embryos had actually established and continued to grow.

Her doctor said it is very common for a woman to have more than one egg fertilize but that in most cases the pregnancy continues as a singleton only. She told my friend that the empty sacs would just disappear through time (which they did) and that they posed no danger to her baby.