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Alveoli vs Atrium - What's the difference?

alveoli | atrium |

As nouns the difference between alveoli and atrium

is that alveoli is (alveolus) while atrium is atrium (a square hall lit from above).

alveoli

English

Noun

(head)
  • (alveolus)
  • ----

    alveolus

    English

    Noun

    (alveoli)
  • A small cavity or pit.
  • (anatomy) an anatomical structure that has the form of a hollow cavity
  • (anatomy) a small air sac in the lungs, where oxygen and carbon dioxide are exchanged with the blood.
  • Synonyms

    * (air sac in lung) pulmonary alveolus

    Derived terms

    * alveolar * alveolate * dental alveolus (syn. tooth socket)

    See also

    * (Alveolus) * (Pulmonary alveolus)

    References

    * * * ----

    atrium

    English

    (wikipedia atrium)

    Noun

    (en-noun)
  • (architecture) A central room or space in ancient Roman homes, open to the sky in the middle; a similar space in other buildings.
  • (architecture) A square hall lit by daylight from above, into which rooms open at one or more levels.
  • (anatomy) Any enclosed sexine and nexine layers, widening toward the interior of the grain.
  • * {{quote-book, 1965, Janet Kircher Warter, Palynology of a Lignite of Lower Eocene (Wilcox) Age from Kemper County citation
  • , passage=Nexine 0.5? thick, separating from the sexine about 5? from the pore and forming a deep, well-defined atrium .}}

    Synonyms

    * (room in Roman homes) cavaedium

    Derived terms

    * atrial * atriate English nouns with irregular plurals ----