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Amniotic fluid. The amniotic fluid is the protective liquid contained by the amniotic sac of a gravid amniote. This fluid serves as a cushion for the growing fetus, but also serves to facilitate the exchange of nutrients, water, and biochemical products between mother and fetus. For humans, the amniotic fluid is commonly called water or waters ...
Amniotic sac. The amniotic sac, also called the bag of waters[ 1][ 2] or the membranes, [ 3] is the sac in which the embryo and later fetus develops in amniotes. It is a thin but tough transparent pair of membranes that hold a developing embryo (and later fetus) until shortly before birth. The inner of these membranes, the amnion, encloses the ...
The amnion is a feature of the vertebrate clade Amniota, which includes reptiles, birds, and mammals. Amphibians and fish lack the amnion and thus are anamniotes (non-amniotes). The amnion stems from the extra-embryonic somatic mesoderm on the outer side and the extra-embryonic ectoderm or trophoblast on the inner side.
The fetal circulatory system includes three shunts to divert blood from undeveloped and partially functioning organs, as well as blood supply to and from the placenta. In humans, the circulatory system is different before and after birth. The fetal circulation is composed of the placenta, umbilical blood vessels encapsulated by the umbilical ...
One baby's lost bottle is a clever primate's treasure. ... the orangutan is seen slapping the pool of water where the bottle had landed on the opposite side, before leaving and returning with a ...
Pluto Water was a trademark for a strongly laxative natural water product which was marketed in the United States in the early 20th century. The water's laxative properties were from its high native content of mineral salts, with the active ingredient listed as sodium and magnesium sulfate , which are known as natural laxatives.
The U.S. National Academies of Sciences, Engineering, and Medicine suggests an adequate daily fluid intake is about 15.5 cups (3.7 liters) of fluids a day for those assigned male at birth and ...
3-032, 3-05d [ edit on Wikidata ] Obstetric ultrasonography , or prenatal ultrasound , is the use of medical ultrasonography in pregnancy , in which sound waves are used to create real-time visual images of the developing embryo or fetus in the uterus (womb).