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Orchiopexy is performed in the event of testicular torsion, a urologic emergency presenting with intense pain and often without inciting injury. [citation needed]While neonatal torsion occurs with no anatomic defect to account for its occurrence (occurring in utero or shortly after birth), adult torsion results from a bilateral congenital anomaly often called a "bell-clapper deformity", where ...
It is usually treatable if caught early, so urologists often recommend that boys who had orchiopexy as infants be taught testicular self-examination, to recognize testicular masses and seek early medical care for them. Cancer developing in an intra-abdominal testis would be unlikely to be recognized before considerable growth and spread, and ...
The shape of the glans varies among different marsupial species. [73] [74] [75] In most marsupials, the glans is divided, but male macropods have an undivided glans penis. [5] The glans penis is also divided into two parts in platypuses and echidnas. [76] [77] Males of Racey's pipistrelle bat have a narrow, egg-shaped glans penis. [78]
The ectopic testis can be in the perineal region, the opposite side of the scrotum, the suprapubic region, the femoral region, or in the superficial inguinal pouch. [1]The ectopic testis is initially normal, but if it is ignored after childhood, it may become small and soft, with spermatogenesis arresting and interstitial cell proliferation occurring.
Long permanent sutures, usually silk or polypropylene, are left on the stump of the spermatic cord as a marker in case it needs to be removed in the future during a retroperitoneal lymph node dissection (RPLND). The inguinal orchiectomy is a necessary procedure if testicular cancer is suspected.
Orchiopexy and hypospadias repair are the most common types of genital corrective surgery performed in infant boys. In a few parts of the world 5-alpha-reductase deficiency or defects of testosterone synthesis, or even rarer forms of intersex account for a significant portion of cases but these are rare in North America and Europe.
Wikispecies is a wiki-based online project supported by the Wikimedia Foundation.Its aim is to create a comprehensive open content catalogue of all species; the project is directed at scientists, rather than at the general public.
Mice are the most commonly used mammal species for live animal research. Such research is sometimes described as vivisection. Vivisection (from Latin vivus 'alive' and sectio 'cutting') is surgery conducted for experimental purposes on a living organism, typically animals with a central nervous system, to view living internal structure.