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The coelom is the mesodermally lined cavity between the gut and the outer body wall. During the development of the embryo, coelom formation begins in the gastrulation stage. The developing digestive tube of an embryo forms as a blind pouch called the archenteron. In protostomes, the coelom forms by a process known as schizocoely. [6]
In bilaterally symmetrical organisms, there is often a major mesentery separating the two halves of the coelom. [3] In segmented organisms such as earthworms, there are a pair of coelomic cavities in each segment. The mesothelium of the body wall is extended round the central gut to form a mesentery, a longitudinal partition in the sagittal ...
The lateral plate mesoderm is the mesoderm that is found at the periphery of the embryo.It is to the side of the paraxial mesoderm, and further to the axial mesoderm.The lateral plate mesoderm is separated from the paraxial mesoderm by a narrow region of intermediate mesoderm.
The peritoneal cavity is widely used in intraperitoneal injections to administer chemotherapy drugs, [5] [6] and is also utilized in peritoneal dialysis. [7] An increase in capillary pressure in the abdominal organs can cause fluid to leave the interstitial space and enter the peritoneal cavity, resulting in a condition called ascites.
This fluid increases in quantity and causes the amnion to expand and ultimately to adhere to the chorion's inner surface, so that the extra-embryonic part of the coelom is obliterated. The amniotic fluid increases in quantity up to the sixth or seventh month of pregnancy, after which it diminishes somewhat; at the end of pregnancy it amounts to ...
The Cutest Duck Breeds Connect Images - Getty Images. When it comes to cute and cuddly-looking animals, baby ducks are often at the top of the list. That's because most of these birds start off ...
2. New England Corn Pudding. This dish walks the line between rustic and elegant — just like New England itself. The New England holiday staple works as a great side with glazed ham, and is made ...
(The Center Square) – The Seattle City Council’s first action of the new year will be finding a replacement for the District 2 position. Earlier this month, Tammy Morales announced that she ...