...Black porgy and bivalve oysters once function as female or male, then function as male or female. When females mature first, it is called protogyny, and when males mature first, it is called protandry. Both are called adjacent hermaphroditism. In the case of the Japanese brown frog, the genetic male reproductive organs first differentiate as ovaries, which transform into testes during metamorphosis. *Some terminology explanations that mention "protogyny" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…クロダイや二枚貝のカキは,一度雌ないし雄の機能をした後,雄ないし雌として機能する。雌性が先に成熟するものを雌性先熟protogyny,逆に雄が先なら雄性先熟protandryといい,どちらも隣接的雌雄同体現象という。また,エゾアカガエルは遺伝的な雄の生殖器官もまず卵巣として分化し,変態時に精巣へ転換する。… ※「protogyny」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
>>: Protohermes grandis (English spelling) Protohermesgrandis
…In the Middle Ages, like other guilds, the guild...
...French film. Produced in 1937. A follow-up to ...
...Actions aimed at reducing the tax burden of ta...
...In addition, with regard to public transportat...
... Muslim rule of the peninsula began in the ear...
The name of the Tokyo Metropolitan Police Headqua...
It is a national university corporation. Its orig...
…Steamboats also began to play an active role on ...
An interview. It is a direct contact and negotiat...
Italy waged two wars of aggression against Ethiopi...
Born: September 8, 1864, St. Ives, Cornwall [Died]...
Five large freshwater lakes in the eastern part o...
〘Noun〙 (It can mean either begging for money or be...
...A small telescope that aims at a target point ...
A perennial plant of the Scrophulariaceae family. ...