ABSTRACT Objectives: To assess the incidence of anatomical anomalies in patients with retractile testis. Materials and Methods: We studied prospectively 20 patients (28 testes) with truly retractile testis and compared them with 25 human fetuses (50 testes) with testis in scrotal position. We analyzed ...
ABSTRACT Objectives To confirm if a real inner descend of testis occurs, correlating the testicular position with fetal parameters and analyzing the position of the testes relative to the internal ring. Material and Methods Twenty nine human fetuses between 13 and 23 weeks post conception (WPC) were ...
El sexo del embrión queda determinado en el momento de la fecundación según que el espermatozoide contenga un cromosoma X o un cromosoma Y. Sin embargo, trascurren varias semanas durante la embriogénesis humana sin que existan diferencias evidentes-aún al microscopio- entre un feto de sexo femenino ...
