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The amniotic sac is the sac in which the fetus develops.
It is also called the amniotic bubble because of its resemblance to a bubble.
When in the light, the amniotic sac is shiny and very smooth, but too tough to pierce through.
Additional recommended knowledge
An artificial rupture of membranes (ARM), also known as an amniotomy, may be performed by a midwife or obstetrician. This is usually performed using an amnihook and is intended to induce or accelerate labour.
The presence of the amnion identifies humans as amniotes, along with reptiles, dinosaurs, birds, and other mammals, but not amphibians.
Amniotic fluid is the watery liquid surrounding and cushioning a growing fetus within the amnion. It allows the fetus to move freely without the walls of the uterus being too tight against its body. Buoyancy is also provided.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Amniotic_sac". A list of authors is available in Wikipedia.|