pronephron

Fetched 2026-10-26 (cache).

Synonyms: pronephros, pronephroi, pronephric, pronephra

Antonyms: pronephros, pronephroi, pronephric, pronephra

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|biology}} The first part of the [[urogenital]] system to be [[differentiate]]d in a [[vertebrate]] [[embryo]], which functions as a simple [[excretory]] [[organ]] in simpler forms, serves as a [[provisional]] [[kidney]] in some [[fish]] and [[amphibian]]s, and only appears as a [[temporary]] [[embryonic]] structure in [[reptile]]s, [[bird]]s, and [[mammal]]s.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.