alveolus

noun al·ve·o·lus \al-ˈvē-ə-ləs\

Definition of alveolus

plural

alveoli

play \-ˌlī, -(ˌ)lē\
  1. 1 :  a small cavity or pit: as a :  a socket in the jaw for a tooth b :  a small air-containing compartment of the lungs in which the bronchioles terminate and from which respiratory gases are exchanged with the pulmonary capillaries c :  an acinus of a compound gland d :  a cell of a honeycomb

  2. 2 :  teethridge

Origin and Etymology of alveolus

New Latin, from Latin, diminutive of alveus cavity, hollow, from alvus belly, beehive; akin to Lithuanian aulys beehive, Greek aulos tube, flute


First Known Use: 1702


Medical Dictionary

alveolus

play
noun al·ve·o·lus \al-ˈvē-ə-ləs\

Medical Definition of alveolus

plural

alveoli

\-ˌlī, -(ˌ)lē\play play
  1. :  a small cavity or pit: asa:  a socket in the jaw for a toothb:  any of the small thin-walled air-containing compartments of the lung that are typically arranged in saclike clusters into which an alveolar duct terminates and from which respiratory gases are exchanged with the pulmonary capillariesc:  an acinus of a compound glandd:  any of the pits in the wall of the stomach into which the glands open

Illustration of alveolus


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