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Bryophyta vocab
bryophytes
12
Biology
Undergraduate 2
04/19/2009

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Term
gametophyte
Definition
the haploid phase (n=1) of a life cycle on which gametes (reproductive cells) are produced.
Term
sporophyte
Definition
the spore producing, diploid (2N) phase of the life cycle
Term
sporangium
Definition
hollow, unicellular or pluricellular structure in which spores are produced.
Term
operculum
Definition
the cover on the sporangium that holds spores in
Term
spores
Definition
a haploid (1N) reproductive cell capable of developing directly into a gametophyte without uniting with another cell.
Term
antheridium
Definition
reproductive structure that produces male gametophytes (pollen)
Term
spermatogenous tissue
Definition
cells found in an antheridium that give rise to spermatids
Term
archegonium
Definition
reproductive structure that produces female gametes (egg).
Term
egg
Definition
female gametes
Term
antheridiophore
Definition
In liverworts, an umbrella-shaped outgrowth of the gametophyte, bearing antheridia.
Term
archegoniophore
Definition
In liverworts, an outgrowth of the gametophyte, bearing archegonia and having a stalk with radiating fingers of tissue.
Term
gemmae
Definition
a bud (or simply a group of cells) from which plants vegetatively reproduce
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