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ZONA PELLUCIDA [1 record]

Record 1 2007-01-16

English

Subject field(s)
  • Embryology
  • Reproduction (Medicine)
CONT

The oocyte increases tenfold in diameter (from 15 to 150 µm) and becomes surrounded by a zona pellucida, a translucent "shell" of glycoproteins.

French

Domaine(s)
  • Embryologie
  • Reproduction (Médecine)
DEF

Membrane gélatineuse qui entoure l'oocyte primaire et secondaire du follicule ovarien.

OBS

Produit par les oocytes et les cellules folliculaires environnantes.

Spanish

Campo(s) temático(s)
  • Embriología
  • Reproducción (Medicina)
DEF

Cobertura exterior del ovocito.

CONT

La zona pelúcida es la capa de glucoproteína que envuelve al ovocito. [...] La zona es una barrera física que sirve para proteger los ovocitos y los preembriones de los antígenos durante el período de preimplantación.

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