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Placenta vs Platypus - What's the difference?

placenta | platypus |

As a noun placenta

is (anatomy) a vascular organ in mammals, except monotremes and marsupials, present only in the female during gestation it supplies food and oxygen from the mother to the foetus, and passes back waste it is implanted in the wall of the uterus and links to the foetus through the umbilical cord it is expelled after birth.

As a proper noun platypus is

.

placenta

Noun

(en-noun)
  • (anatomy) A vascular organ in mammals, except monotremes and marsupials, present only in the female during gestation. It supplies food and oxygen from the mother to the foetus, and passes back waste. It is implanted in the wall of the uterus and links to the foetus through the umbilical cord. It is expelled after birth.
  • (botany) In flowering plants, the part of the ovary where ovules develop; in non-flowering plants where the spores develop.
  • Synonyms

    * afterbirth

    Derived terms

    * placental * placentary

    platypus

    Noun

  • An egg-laying, semi-aquatic mammal with a bill resembling that of a duck, that has a mole-like body, a tail resembling that of a beaver, a waterproof pelt, and flat webbed feet — males have poisonous spurs on the inside of the back legs; Ornithorhynchus anatinus
  • * '>citation
  • Synonyms

    * duck-billed platypus * duckbill * duckmole * watermole

    Derived terms

    * platypusary * platypussary

    See also

    * echidna * monotreme