- the female reproductive organ in ferns, mosses, etc.
Origin of archegonium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for archegonium
Throughout he compares the structure with the pistillum (archegonium) of Bryophyta.
The neck of the archegonium is quite long, but does not project above the surface of the prothallium (Fig. 77, H).Elements of Structural and Systematic Botany
Douglas Houghton Campbell
The young sporogonium is protected by a thick calyptra derived from the tissue of the thallus around the archegonium.
Spermatozoids are formed in the antheridium, and these enter the archegonium and fertilize the germ cell.The Nursery Book
Liberty Hyde Bailey
The female organ (archegonium) and the cell which it produces are practically identical in both cases.How to Know the Ferns
S. Leonard Bastin
- a female sex organ, occurring in mosses, spore-bearing vascular plants, and gymnosperms, that produces a single egg cell in its swollen base
C19: from New Latin, from Greek arkhegonos original parent, from arkhe- chief, first + gonos seed, race
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- The egg-producing organ occurring in bryophytes (such as mosses and liverworts), ferns, and most gymnosperms. The archegonium is a multicellular, often flask-shaped structure that contains a single egg. Compare antheridium.
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