Category: P

A surgical operation in which the rectum and colon are removed. In panproctocolectomy the whole rectum and colon are removed, necessitating a permanent opening of the ileum. This is usually performed for ulcerative colitis.  

Bulging or pouching of the rectum, usually a forward protrusion of the rectum into the vagina in association with prolapse of the womb. A protrusion of the rectal mucosa into the vagina.  

An antibiotic, consisting of penicillin and procaine, used to treat infections caused by organisms sensitive to penicillin. It is injected into muscle so that the penicillin is released slowly and remains effective for some time. An injectable variation of penicillin that incorporates an anesthetic agent to mitigate the discomfort associated with the injection process.  

The region of the embryo that proliferates rapidly, producing mesoderm cells that spread outward between the layers of ectoderm and endoderm. In embryology, the initial band of cells from which the embryo begins to develop. These cells are at the caudal end of the embryonic disk. It is present at about 15 days after fertilization.…

Describing or relating to a symptom that occurs before the typical symptoms of a disease.  

Situated in the middle lobe of the cerebellum, in front of the pyramid.  

A drug that dilates blood vessels. It is administered by mouth to treat angina; side-effects at high doses may include digestive upsets, skin reactions, and drowsiness.  

An intermediate stage in the formation of adult dentine in teeth by the odontoblasts.  

An area of the inner surface of the cerebral hemisphere on each side, above and in front of the corpus callosum.  

Any antigen that is precipitated from solution by a precipitin. Any substance with the ability to generate a particular precipitin.