TERMIUM Plus®

From: Translation Bureau

On social media

Consult the Government of Canada’s terminology data bank.

NUCELLUS [5 records]

Record 1 2012-01-10

English

Subject field(s)
  • Botany
  • Plant Biology
DEF

The central part of a plant ovule; contains the embryo sac.

CONT

The nucellus is a complex maternal grain tissue that embeds and feeds the developing cereal endosperm and embryo.

French

Domaine(s)
  • Botanique
  • Biologie végétale
DEF

Partie de l'ovule qui enveloppe le sac embryonnaire et qui est recouverte par les téguments.

Spanish

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

Tejido que forma la mayor parte del primordio seminal inmaduro, donde se desarrolla el saco embrionario.

Save record 1

Record 2 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 2

Record 3 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 3

Record 4 2000-03-30

English

Subject field(s)
  • Biological Sciences
  • Genetics
  • Botany
CONT

Agamospermy occurs when a diploid embryo sac(sporophyte) develops by the somatic division of a nucellus or integument cell...

French

Domaine(s)
  • Sciences biologiques
  • Génétique
  • Botanique
DEF

Mode de reproduction apomictique aboutissant à la formation de graines normalement constituées, mais dont le ou les embryons qu'elles contiennent ne proviennent pas de la fusion de deux gamètes.

OBS

L'agamospermie assure généralement l'obtention d'un nouvel individu génétiquement identique au parent femelle ou à l'un de ses gamètes.

Spanish

Save record 4

Record 5 1992-05-11

English

Subject field(s)
  • Plant Biology
  • Morphology and General Physiology
DEF

A nutritive tissue derived from the nucellus(and therefore diploid) that is found in the seeds of certain plants in which the endosperm does not completely replace the nucellus. Many of the Caryophyllaceae contain such tissue in their seeds.

French

Domaine(s)
  • Biologie végétale
  • Morphologie et physiologie générale
DEF

Tissu de certaines graines (poivre, betterave) issu du développement du nucelle de l'ovaire et chargé de réserves.

Spanish

Save record 5

Copyright notice for the TERMIUM Plus® data bank

© Public Services and Procurement Canada, 2026
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
A product of the Translation Bureau

Features

GCtranslate (available on the Government of Canada network only)

Use this artificial intelligence prototype to translate Government of Canada content up to and including Protected B. Available to employees of selected departments and agencies only.

Writing tools

The Language Portal’s writing tools have a new look! Easy to consult, they give you access to a wealth of information that will help you write better in English and French.

Glossaries and vocabularies

Access Translation Bureau glossaries and vocabularies.

Date Modified: