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In medicine, a polypectomy is the surgical removal of an abnormal growth of tissue called a polyp. Polypectomy can be performed by excision if the polyp is external (on the skin). [ 1 ] [ additional citation(s) needed ]
Polypectomy is the surgical removal of an abnormal growth of tissue known as a polyp. Posthectomy , more commonly known as circumcision , is the surgical removal of the foreskin of the penis. This is also known as a prepucectomy , as the medical term for the foreskin is the prepuce .
Colonic polypectomy is the removal of colorectal polyps in order to prevent them from turning cancerous.. Method of removing a polyp with a snare. Gastrointestinal polyps can be removed endoscopically through colonoscopy or esophagogastroduodenoscopy, or surgically if the polyp is too large to be removed endoscopically.
Anthozoan polyps, including the corals and sea anemones, are much more complex due to the development of a tubular stomodaeum leading inward from the mouth and a series of radial partitions called mesenteries. Many of the mesenteries project into the enteric cavity but some extend from the body wall to the central stomodaeum.
The process starts with preliminary morphological changes. In particular, the cnidarian's tentacles tend to be reabsorbed. Neck-formation: transverse constrictions appear near the upper extremity of the animal. A strobilating polyp is called a strobila while the non-strobilating polyp is called a scyphistoma or scyphopolyp.
Chromopertubation is a method for the study of fallopian tube patency (a state of being open or unobstructed) for suspected infertility in women caused by fallopian tube obstruction. Occlusion or pathology of the fallopian tubes is the most common cause of suspected infertility. [ 1 ]
The Cruelty to Animals Act, 1876 in Britain determined that one could only conduct vivisection on animals with the appropriate license from the state, and that the work the physiologist was doing had to be original and absolutely necessary. [20] The stage was set for such legislation by physiologist David Ferrier. Ferrier was a pioneer in ...
A second important concern is the appropriate source of the eggs that are needed. SCNT requires human egg cells, which can only be obtained from women. The most common source of these eggs today are eggs that are produced and in excess of the clinical need during IVF treatment.