A micropyle is small opening in the surface of an ovule, through which the pollen tube penetrates, often visible as a small pore in the ripe seed.
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micropyle — [ mikrɔpil ] n. m. • 1821; de micro et du gr. pulê « porte » ♦ Bot. Orifice de l ovule des plantes par lequel le tube pollinique pénètre jusqu au nucelle lors de la fécondation. ● micropyle nom masculin (grec pulê, porte) Chez les phanérogames,… … Encyclopédie Universelle
Micropyle — Mi cro*pyle, n. [Micro + Gr. ? gate, orifice: cf. F. micropyle.] (Biol.) (a) An opening in the membranes surrounding the ovum, by which nutrition is assisted and the entrance of the spermatozoa permitted. (b) An opening in the outer coat of a… … The Collaborative International Dictionary of English
micropyle — micropyle. См. микропиле. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) … Молекулярная биология и генетика. Толковый словарь.
Micropȳle — (Bot.), 1) der Eimund, s.u. Ei 2); 2) (Keimloch), die punktförmige Stelle auf der Samenhaut, wo sich früher der Eimund befand … Pierer's Universal-Lexikon
micropyle — [mī′krō pīl΄] n. [Fr < Gr mikro (see MICRO ) + pylē, gate] 1. Bot. a) a very small opening in the outer coats of an ovule, through which the pollen tube penetrates b) the corresponding opening in the developed seed 2. Zool. a very small… … English World dictionary
Micropyle — Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom. Le micropyle (du grec micros, très petit et pulè, ouverture) est le très petit orifice de certains éléments reproducteurs femelles. Le terme est employé… … Wikipédia en Français
micropyle — mikropilė statusas T sritis augalininkystė apibrėžtis Sėklapradžio angelė, pro kurią po apdulkinimo patenka dulkiadaigis su spermiais. atitikmenys: angl. micropyle rus. микропиле … Žemės ūkio augalų selekcijos ir sėklininkystės terminų žodynas
micropyle apparatus — (ARTHROPODA: Insecta) Raised structures around the micropyle of an egg … Dictionary of invertebrate zoology
micropyle — noun Etymology: French, from micr + Greek pylē gate Date: 1821 1. a minute opening in the integument of an ovule of a seed plant 2. a differentiated area of surface in an egg through which a sperm enters • micropylar adjective … New Collegiate Dictionary
micropyle — the minute aperture in the egg membrane for the entry of the sperm … Dictionary of ichthyology
