The male reproductive apparatus in the lower plants, consisting of a cell or other cavity in which spermatozoids are produced; -- called also spermary.
a multicellular structure that forms and protects sperm in nontracheophytes and ferns.
the male reproductive organ (gametangium) in which gametes develop
In bryophytes it is the gametophyte tissue that produces and releases the sperm
(an´ thur id´ ee um) (plural: antheridia) [Gr. antheros: blooming] • The multicellular structure that produces the sperm in bryophytes and ferns.
Male organs Antheridiën
The male reproductive organ containing the antherozoids.
A sperm producing structure found in plants and algae.
reproductive structure that produces male gametophytes (pollen).
the male sex organ of spore-producing plants; produces antherozoids; equivalent to the anther in flowers
A cell that produces male gametes
The male gametangium where the sperm is produced and housed. DIAGRAM: PHOTO: Fucus / Fucus Marchantia / Marchantia / Marchantia Moss Fern / Fern / Fern
The male, sperm-producing gametangium on the gametophytes of liverworts, mosses, hornworts, lycophytes, ferns, and horsetails, and some algae. True antheridia, with differentiated layers of sterile tissue surrounding the spermatogenous cells, first appeared in the Charales.
A male gametangium. (Pl. antheridia.) ( 16)
the fertile organ of a male gametophyte or the male organ of a bisexual gametophyte, in which male gametes are formed. cf. archegonium.
The male reproductive organ of seaweed's similar to the anther in flowering plants.
(pl. antheridia) The organ corresponding to an anther that produces male gametes.
The male sex organ or gametangium, within which male gametes are formed, in algae, fungi, bryophytes (mosses, liverworts, etc.), and pteridophytes (ferns).
the male gametangium of Ascomycetes
Plural: Antheridia) [ Botany
The organ on a gametophyte plant which produces the sperm cells.
male gametangium (produces sperm)
An antheridium (plural: antheridia) is a structure or organ of the gametophyte phase of certain plants producing and containing the spermatids or male gametes (called antherozoids). It is present in lower plants like mosses and ferns, and also in the primitive vascular psilotophytes, but the comparable structure in gymnosperms (microsporangium) and angiosperms (anthers) is comprised mostly of sporophyte (diploid) tissue that surrounds the haploid gametes. The female counterpart to the antheridium is the archegonium.