amniote

Noun
  1. Any member of the Amniota (synset 101475143)
    is a type of: craniate, vertebrate - animals having a bony or cartilaginous skeleton with a segmented spinal column and a large brain enclosed in a skull or cranium
    belongs to: amniota - higher vertebrates (reptiles, birds and mammals) possessing an amnion during development
    has:
    • amnion, amnios, amniotic sac - thin innermost membranous sac enclosing the developing embryo of higher vertebrates (reptiles, birds and mammals)
    • chorion - the outermost membranous sac enclosing the embryo in higher vertebrates (reptiles, birds and mammals)

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