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Avian Male Reproductive Tract - Anatomy & Physiology (view source)
Revision as of 17:29, 29 November 2010
, 17:29, 29 November 2010no edit summary
* Psittacines, Passerines, Pidgeons and birds of prey all have no phallus.
* Psittacines, Passerines, Pidgeons and birds of prey all have no phallus.
* Copulate by transferring semen from the everted [[Avian_Vent_and_Cloaca_- Anatomy & Physiology#The_Cloaca|Cloaca]] directly into the female [[Avian Female Reproductive System & Egg Formation#Oviduct|oviduct]].
* Copulate by transferring semen from the everted [[Avian_Vent_and_Cloaca_- Anatomy & Physiology#The_Cloaca|Cloaca]] directly into the female [[Avian Female Reproductive System#Oviduct|oviduct]].
=== Non-Protrusible Phallus ===
=== Non-Protrusible Phallus ===
* Consists of a small medial tubercle intimately associated on each side with lymphatic folds and vessels.
* Consists of a small medial tubercle intimately associated on each side with lymphatic folds and vessels.
* When erect with lymph, the phallus develops a median groove.
* When erect with lymph, the phallus develops a median groove.
** Median groove permits passage of ejaculate down into the everted female [[Avian Female Reproductive System & Egg Formation#Oviduct|oviduct]].
** Median groove permits passage of ejaculate down into the everted female [[Avian Female Reproductive System#Oviduct|oviduct]].
=== Protrusible Phallus ===
=== Protrusible Phallus ===