Dictionary

alveolus

noun al·ve·o·lus \al-ˈvē-ə-ləs\
plural al·ve·o·li\-ˌlī, -(ˌ)lē\

Definition of ALVEOLUS

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

Origin 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

alveolus

noun al·ve·o·lus \al-ˈvē-ə-ləs\   (Medical Dictionary)
plural al·ve·o·li \-ˌlī, -(ˌ)lē\

Medical Definition of ALVEOLUS

:  a small cavity or pit: as a :  a socket in the jaw for a tooth b :  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 capillaries c :  an acinus of a compound gland d :  any of the pits in the wall of the stomach into which the glands open

Illustration of ALVEOLUS

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