mesonephros

M3E1S1O1N1E1P3H4R1O1S1

noun

The second of the three excretory organs of the developing embryo; the Wolffian body.

OriginEnglish nephros ← Ancient Greek μέσος (mésos) ← Proto-Hellenic *métsos →
Scrabble 18
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Meanings

nounmesonephros (plural mesonephroi or mesonephroses)

plural mesonephroi · plural mesonephroses

  1. biologyThe second of the three excretory organs of the developing embryo; the Wolffian body.

Origin

  1. Proto-Indo-European*me
  2. Proto-Indo-European*dʰeh₁-?
  3. Proto-Indo-European*médʰi
  4. Proto-Indo-European*médʰyos
  5. Proto-Hellenic*métsos
  6. Ancient Greekμέσος (mésos)
  7. Englishmeso-
  8. Englishnephros
  9. Englishmesonephros

From meso- + nephros.

Full word history & related roots →

Translations

Russian мезоне́фрос
  • мезоне́фрос (mezonéfros)excretory organ of the embryo
Spanish mesonefros
  • mesonefrosexcretory organ of the embryo
Cite this entry
APA

mesonephros. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/mesonephros

MLA

“mesonephros.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/mesonephros. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “mesonephros,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/mesonephros.

Source: mesonephros on Wiktionary, CC BY-SA 4.0.