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Avian Male Reproductive Tract - Anatomy & Physiology (view source)
Revision as of 13:28, 21 July 2008
, 13:28, 21 July 2008→Phallus
* Most birds lack a true phallus.
* Most birds lack a true phallus.
* Analogue of the mammalian penis.
* Consists of a small median tubercle flanked by a pair of large, lateral phallic bodies.
* When present, the avian phallus is soley reproductive and becomes engorged by lymph fluid instead of blood during erection.
* When present, the avian phallus is soley reproductive and becomes engorged by lymph fluid instead of blood during erection.
* Owing to the lack of accessory sex glands, avian semen has low volume.
* Owing to the lack of accessory sex glands, avian semen has low volume.