embryo

Noun
  1. referred to in: botany, phytology - the branch of biology that studies plants
    is a type of: flora, plant, plant life - (botany) a living organism lacking the power of locomotion
  2. is a type of: animal, animate being, beast, brute, creature, fauna - a living organism characterized by voluntary movement
    subtypes:
    • blastosphere, blastula - early stage of an embryo produced by cleavage of an ovum; a liquid-filled sphere whose wall is composed of a single layer of cells; during this stage (about eight days after fertilization) implantation in the wall of the uterus occurs
    • gastrula - double-walled stage of the embryo resulting from invagination of the blastula; the outer layer of cells is the ectoderm and the inner layer differentiates into the mesoderm and endoderm
    • morula - a solid mass of blastomeres that forms when the zygote splits; develops into the blastula
    has: umbilical, umbilical cord - membranous duct connecting the fetus with the placenta
    same as: conceptus, fertilized egg

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