Most male birds (e.g., roosters and turkeys) have a cloaca (also present on the female), but not a penis. Among bird species with a penis are paleognathes (tinamous ...
Usá el botón de arriba para acceder a búsquedas de artículos científicos en Google Académico (Google Scholar). BIBLIOGRAFÍA GENERAL BÁSICA DEVILLERS, C. & P ...
Apparato genitale umano. Il sistema riproduttivo umano di prevede la fecondazione interna tramite rapporti sessuali. Durante questo processo, il maschio inserisce il ...




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