gametangium

(redirected from gametangia)
Also found in: Thesaurus, Medical, Encyclopedia.

gam·e·tan·gi·um

 (găm′ĭ-tăn′jē-əm)
n. pl. gam·e·tan·gi·a (-jē-ə)
An organ or a cell in which gametes are produced.
[gamet(o)- + Greek angeion : diminutive of angos, vessel + -ium.]
gam′e·tan′gi·al (-əl) adj.

gametangium

(ˌɡæmɪˈtændʒɪəm)
n, pl -gia (-dʒɪə)
(Botany) biology an organ or cell in which gametes are produced, esp in algae and fungi
[C19: New Latin, from gameto- + Greek angeion vessel]
ˌgameˈtangial adj

gam•e•tan•gi•um

(ˌgæm ɪˈtæn dʒi əm)

n., pl. -gi•a (-dʒi ə)
a structure of plants that forms gametes.
[1885–90; < New Latin; see gamet-, angio-]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.gametangium - cell or organ in which gametes develop
reproductive structure - the parts of a plant involved in its reproduction
Mentioned in ?
References in periodicals archive ?
Gametangia produced in rounded receptacles with blacks hairs at the margin Dumortierahirsuta (Sw.
Nueva clave para los generos de Hepaticas de Colombia
Around 36 days after sowing, reproductive activity was observed with the presence of female gametangia in about 60% of adult cordate gametophytes (Fig.
Gametofito de Doryopteris triphylla (Pteridaceae, Polypodiopsida)
Bryophytes depend on the appropriate signals for sex expression, and developmental pattern of gametangia and sporophytes.
Sex expression and reproduction of four bryophytes following timber harvesting
The gametophyte consists of unicellular sterile hairs and lateral gametangia.
The occurrence of the green algal leaf endophyte Stomatochroon (Trentepohliales) in Mississippi
Evidence of discharged Boulder Patch Spongomorpha gametangia in late August suggests gamete fusion and the formation of a diploid Chlorochytrium cell in late July and early August.
The Boulder Patch (North Alaska, Beaufort Sea) and its benthic algal flora
Gametangia elongate, 200-320 um long and 50-75 [micro]m in diam.
New records of green (Chlorophyta) and brown algae (Phaeophyceae) for Cabezo Reef, National Park Sistema Arrecifal Veracruzano, Gulf of Mexico
In both pathways, gametangia were produced only after formation of an apical notch.
Botany & plant ecology
isogamy: Union of gametes or gametangia of equal size.
Glossary
But in Pellia and Stenochlaena gametophytes the protoderm differentiates certain appendages, as are trichomes, rhizoids, and gametangia (Figs.
The options of plant organisms for the development of new types or typogenesis in plants
The pennate forms have elongated valves and their reproduction does not involve forms bearing flagella, but usually shows formation of gametangia that copulate as a whole.
2 Pelagic life
In most nonflowering seed plants (cycads, Ginkgo, conifers, Ephedra), this cellularization phase is succeeded by a period of additional growth and development, during which two or more female gametangia (each with a single egg cell) are formed.
Heterochrony and developmental innovation: evolution of female gametophyte ontogeny in Gnetum, a highly apomorphic seed plant
Fucoid algae release male and female gametangia (antheridia and oogonia) through multicellular pores to the surface of the alga from spherical, subepidermal conceptacles present throughout the reproductive tissue (receptacles, Fritsch 1945).
Control of gamete release in fucoid algae: sensing hydrodynamic conditions via carbon acquisition

Dictionary browser ?
Full browser ?