Embryology of the testicular descent.
Seminars in Pediatric Surgery(2011)
摘要
Numerous researchers studied the morphology of the testicular descent, including the possible function of the gubernaculum. However, a clear illustration of this process is still missing. The aim of this paper was to illustrate the embryology of the testicular descent in the rat by scanning electron microscopy. In a first phase of the intra-abdominal testicular descent, the testis moves actively from the lower pole of the kidney towards the bladder neck. In a second inguinal phase the testis enters groin and moves in the developing processus vaginalis peritonei caused by the disappearance of the bulb of the gubernaculums testis. (C) 2011 Elsevier Inc. All rights reserved.
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关键词
Fetal genital development,Gubernaculum testis,Scanning electron microscopy (SEM),Testicular descent
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