منابع مشابه
Phallus development in the turtle Trachemys scripta.
Development of a phallus occurs in almost all amniotes; however, considerable variation in phallus morphology among different amniote lineages has contributed to the debate about their structural homology. Mammals are the only amniotes that form a closed urethral tube within the penis. In contrast, the phallus of reptiles and birds has an open urethral groove, or sulcus spermaticus, that facili...
متن کاملDevelopmental Basis of Phallus Reduction during Bird Evolution
BACKGROUND One of the most puzzling events in evolution is the reduction and loss of the phallus in birds. All birds reproduce by internal fertilization, but only ∼3% of birds have retained a phallus capable of intromission. A number of hypotheses have been proposed for the evolutionary mechanisms that drove phallus reduction; however, the underlying developmental mechanisms are unknown. RESU...
متن کاملPhalloplasty for an amputated phallus in intersex patients
OBJECTIVE To report our experience of phalloplasty using a radial forearm free-flap (RFF) and insertion of a penile prosthesis for the amputated phallus. PATIENTS AND METHODS Phalloplasty was carried out in nine intersex patients with ambiguous genitalia as a result of female circumcision, with a consequent partial or complete excision of their microphallus. Six months later a penile prosthes...
متن کاملSignification of the Phallus ” ( 1958 ) According to Lacan
signifier of difference whose function—and this is crucial—is to give a per-
متن کاملrare phallus malformations in children
introduction: penile agenesis (pa) and diphallus (dp) are extremely rare genital anomaly in children. numerous associated anomalies have been described with these malformations. these patients need several investigations and finally surgical intervention. material & methods: in a retrospective study, 14 patients who were treated for phallus malformation in mofid children’s hospital from janua...
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ژورنال
عنوان ژورنال: International Writing Program Anthology
سال: 1976
ISSN: 0021-065X,2330-0361
DOI: 10.17077/0021-065x.2024