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Avian Male Reproductive Tract - Anatomy & Physiology (view source)
Revision as of 13:04, 21 July 2008
, 13:04, 21 July 2008→Phallus
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== Phallus ==
= Phallus =
* 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.
** Some lymph may contribute to the seminal fluid.
* Sperm remains viable in the female tract for much longer than in mammals.
** May survive for 5-6 days.
== Absence of Phallus ==
== Non-Protrusible Phallus ==
== Protrusible Phallus ==