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Meaning of progametangium

pro•gam•e•tan•gi•um

Pronunciation: (prō"gam-i-tan'jē-um), [key]
— pl. -gi•a
  1. the hyphal tip of certain fungi that produces the gametangium and subsequent gamete.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.