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amniotic sac
A synovial fluid sac which is actually called a synovial bursa is a fluid-filled sac lined with synovial membrane with an inner layer of slimy fluid. This provides cushion between bones and tendons and/or muscles around joints. They also reduce friction between the bones.
The fluid-filled sac that covers the yolk in an egg is called the vitelline membrane. It acts as a protective layer and helps to maintain the yolk's shape and position within the egg.
Amniotic sac
The amniotic sac is the membranous fluid filled bubble in which the developing foetus is suspended in utero.
Abnormal accumulation of fluid in the scrotal sac is called hydrocele.
Lumbar Puncture.
The Amniotic Sac
The membrane is called the Amniotic Sac, and the fluid is the Amniotic Fluid
In the first developmental stage of the embryo, you have the ball of cells. In this ball of cells you have cavity filled with fluid called amniotic fluid. This fluid sac separates the embryo, from the outer non-embryo cells. Later on it encloses the fetus in amniotic fluid to give amniotic sac. This sac is attached to uterus from inside.
amniotic sac
Amniotic sac and fluid has a protective functions for the fetus. This sac separates the fetus from the mothers tissue.
Pericardiocentesis is the surgical puncture of the pericardium to withdraw fluid. This procedure can be used to treat cardiac tamponade, or to get a sample of the fluid for laboratory analysis.
There is only a single bag of amniotic fluid.....unless you have twins.
A closed sac with fluid in it
Pilonidal cyst
The amniotic sac is what protects the baby, and the amniotic fluid is what the fluid inside the sac that the baby grows in.