English Dictionary

hemipenis

IPA（発音記号）

/ˈhɛ.mɪ.piː.nɪs/

名詞

(zoology) Each of a pair of intromittent organs of male snakes and lizards, usually held inverted within the body but everted for reproduction via erectile tissue.

日本語の意味

爬虫類の雄（特に蛇やトカゲ）が持つ、一対の交接器官のうちの片方。通常は体内に収納され、交尾時に血管組織が勃起することで外部に露出する器官。

During mating, the male python everts one hemipenis to transfer sperm into the female's cloaca.

交尾の際、オスのニシキヘビは通常体内に反転して収められているが繁殖時に反転して突出する、蛇やトカゲのオスに見られる一対の交接器の片方（半陰茎）を反転させて雌の総排泄腔に精子を送る。

意味（1）

(zoology) Each of a pair of intromittent organs of male snakes and lizards, usually held inverted within the body but everted for reproduction via erectile tissue.

Charles […] found her stroking the goanna in such a way – no one else could do it – that its pale hemipenes emerged pale and spiky from their sheaths.

hemipenes （ plural ）

hemipenises （ plural ）