Метанефрос

Метанефрос (вторичная почка, тазовая почка; от др.-греч. metá — «между, после» и nephrós — «почка») — парный орган выделения у амниот, в число которых входят рептилии, птицы и млекопитающие, включая человека.

В процессе зародышевого развития метанефрос сменяет мезонефрос. Почки амниот являются уникальными по отношению к другим органам, поскольку в процессе развития эмбриона последовательно формируется три отдельных друг от друга типа почек[1]. Мочевые канальцы метанефроса формируются из несегментированного заднего участка — нефротома. Начинаются канальцы мальпигиевыми тельцами, наружные же их концы открываются в вырост вольфова канала — мочеточник. У зрелого организма метанефрос остаётся в виде почки.

Примечания

  1. ↑ Alan J. Davidson. Mouse kidney development : [арх. 4 марта 2022] // StemBook. — Cambridge (MA) : IOS Press, 2008. — ISSN 1940-3429. — doi:10.3824/stembook.1.34.1. — PMID 20614633.

Литература

  • Метанефрос — статья из Биологического энциклопедического словаря.
  • Метанефрос — статья из Большого медицинского словаря.
  • Метанефрос // Большая советская энциклопедия : [в 30 т.] / гл. ред. А. М. Прохоров. — 3-е изд. — М. : Советская энциклопедия, 1969—1978..

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