archegonia

n. female reproductive organ in ferns and moss (Botany)

English contemporary dictionary. 2014.

Look at other dictionaries:

  • archegonia — plural of archegonium …   Useful english dictionary

  • reproductive system, plant — Introduction       any of the systems, sexual or asexual, by which plants reproduce. In plants, as in animals, the end result of reproduction is the continuation of a given species, and the ability to reproduce is, therefore, rather conservative …   Universalium

  • Alternation of generations — (also known as alternation of phases or metagenesis) is a term primarily used in describing the life cycle of plants (taken here to mean the Archaeplastida). A multicellular sporophyte, which is diploid with 2N paired chromosomes (i.e. N pairs),… …   Wikipedia

  • bryophyte — bryophytic /bruy euh fit ik/, adj. /bruy euh fuyt /, n. Bot. any of the Bryophyta, a phylum of nonvascular plants comprising the true mosses and liverworts. [1875 80; < NL Bryophyta name of the group; see BRYO , PHYTE] * * * Any of the green,… …   Universalium

  • plant — plantable, adj. plantless, adj. plantlike, adj. /plant, plahnt/, n. 1. any member of the kingdom Plantae, comprising multicellular organisms that typically produce their own food from inorganic matter by the process of photosynthesis and that… …   Universalium

  • Sexual reproduction — is the creation of a new organism by combining the genetic material of two organisms. The two main processes are: meiosis, involving the halving of the number of chromosomes; and fertilization, involving the fusion of two gametes and the… …   Wikipedia

  • List of plant morphology terms — Biologists that study plant morphology use a number of different terms to describe plant organs and parts that can be observed with the human eye using no more than a hand held magnifying lens. These terms are used to identify and classify plants …   Wikipedia

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  • Archegonium — Diagram of archegonium anatomy An archegonium (pl: archegonia), from the ancient Greek ἀρχή ( beginning ) and γόνος ( offspring ), is a multicellular structure or organ of the gametophyte phase of certain plants, producing and containing the ovum …   Wikipedia

  • Metzgeriales — Temporal range: Upper Devonian[1] to recent Riccardia palmata Scientific classification Kingdom …   Wikipedia

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