Pronephros

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A primitive kidney in the lamprey and similar animals, and in other vertebrate embryos

Synonyms

All synonyms
pronephronpronephronprotonephros

Etymology

From pro- + nephros.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.