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Avian Male Reproductive Tract - Anatomy & Physiology (view source)
Revision as of 13:14, 21 July 2008
, 13:14, 21 July 2008→Protrusible Phallus
== Protrusible Phallus ==
== Protrusible Phallus ==
* Ratites and Anseriformes
* Elongated, capable of true intromission into the female cloaca.
* Distal end lies enclosed in a cavity on the floor of the cloaca and becomes engorged with lymphatic fluid.
** Anseriformes have a curved, fibrous phallus that conveys semen via a spiral groove.