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MICROPYLE [7 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2018-02-21

English

Subject field(s)
  • Animal Biology
  • Animal Reproduction
  • Aquaculture
DEF

The opening in the egg through which the sperm enters to fertilize the egg.

CONT

During these critical seconds they must find and enter the funnel-shaped opening, or micropyle, of the egg.

French

Domaine(s)
  • Biologie animale
  • Reproduction des animaux
  • Aquaculture
DEF

Ouverture dans l'œuf où se fait l'entrée du spermatozoïde pour la fécondation.

CONT

C'est le moment critique où ils doivent découvrir le micropyle, c'est-à-dire l'ouverture en forme d'entonnoir des œufs et y pénétrer.

Spanish

Campo(s) temático(s)
  • Biología animal
  • Reproducción de animales
  • Acuicultura
DEF

Pequeña abertura (o varias, dependiendo de la especie) en la membrana del oocito que permite el contacto definitivo de las membranas de ambos gametos.

CONT

A diferencia de los mamíferos el espermatozoide de los peces no tiene acrosoma ya que la penetración del esperma en el ovocito ocurre a través de un orificio denominado micropilo.

Save record 1

Record 2 2009-03-26

English

Subject field(s)
  • Plant Biology
  • Grain Growing
DEF

The envelope which encloses the seed except for a tiny pore, the micropyle.

OBS

According to the National Research Council, tegument and integument are used synonymously with seed coat when speaking of certain seeds, usually those with only one or two outer layers. When speaking of a seed with many layers, the outer layer is usually termed "seed coat" and the rest are termed "integuments".

OBS

integument: term used at the Canadian Grain Commission.

French

Domaine(s)
  • Biologie végétale
  • Culture des céréales
DEF

Tissu de l'ovaire qui entoure et soutient les ovules.

OBS

À maturité le tégument devient le esta ou l'enveloppe de la graine.

OBS

tégument : terme en usage à la Commission canadienne des grains.

Spanish

Campo(s) temático(s)
  • Biología vegetal
  • Cultivo de cereales
DEF

[...] parte orgánica que envuelve a otra y la protege.

Save record 2

Record 3 2003-12-09

English

Subject field(s)
  • Botany
DEF

An outgrowth on a seed, formed from the stalk or from near the micropyle. It may be spongy or fleshy, or may be a tuft of hairs.

French

Domaine(s)
  • Botanique
DEF

Expansion charnue ou membraneuse qui enveloppe certaines graines auxquelles elle n'adhère qu'en un seul point, le hile.

Spanish

Campo(s) temático(s)
  • Botánica
DEF

Envoltura de algunas semillas.

Save record 3

Record 4 2003-09-24

English

Subject field(s)
  • Botany
  • Plant Biology
DEF

The three haploid cells at the end of the embryo sac away from the micropyle.

French

Domaine(s)
  • Botanique
  • Biologie végétale
DEF

Chacune des trois cellules qui se trouvent à la partie inférieure du sac embryonnaire des Phanérogames, à l'opposé des deux synergides et de l'oosphère.

Spanish

Campo(s) temático(s)
  • Botánica
  • Biología vegetal
DEF

Célula del saco embrionario de las fanerógamas, que se localiza en el polo opuesto a la oosfera.

Save record 4

Record 5 2001-05-03

English

Subject field(s)
  • Botany
  • Flowers and Ornamentals (Horticulture)
DEF

Of an ovule, inverted so that the micropyle faces the placenta.

CONT

’Raphe’: of (more or less) anatropous ovules, being a cord or ridge of fibrovascular tissue connecting the base of the nucellus with the placenta which morphologically represents the adherent funicle. It is ’ventral’ if located on the side of the ovule against the axis, ’dorsal’ if away from it, or ’lateral’ if somewhere intermediate.

French

Domaine(s)
  • Botanique
  • Floriculture
DEF

Se dit d'un ovule d'Angiosperme en position renversée, dont le micropyle se trouve à proximité immédiate du funicule.

Spanish

Save record 5

Record 6 2001-01-11

English

Subject field(s)
  • Paleontology
  • Botany
DEF

Pertaining to ovules in which nucellus and embryo-sac are bent so that micropyle points almost back to placenta.

French

Domaine(s)
  • Paléontologie
  • Botanique
OBS

[Se dit de l']ovule dont le nucelle est courbé, le micropyle se trouvant rapproché du hile et de la chalaze, par suite de la croissance inégale de deux côtés opposés.

Spanish

Save record 6

Record 7 2001-01-10

English

Subject field(s)
  • Paleontology
  • Botany
DEF

The fertilization without the entry of the pollen-tube through the micropyle ovule.

French

Domaine(s)
  • Paléontologie
  • Botanique
DEF

Fécondation d'une plante phanérogame dans laquelle le tube pollinique passe par une autre voie que le micropyle pour pénétrer dans le sac embryonnaire.

Spanish

Save record 7

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