− | The vent is a horizontal slit. It is the [[Exotics - Reproductive Tract Anatomy- Anatomy & Physiology#Phallus|phallus]] of males on the internal surface of the ventral lip. During insemination, the vent is inverted. | + | The vent is a horizontal slit. It is the [[Avian Male Reproductive Tract - Anatomy & Physiology#Phallus|phallus]] of males on the internal surface of the ventral lip. During insemination, the vent is inverted. |