alveolus

noun al·ve·o·lus \ al-ˈvē-ə-ləs \

Definition of alveolus

plural alveoli play \-ˌlī, -(ˌ)lē\
1 :a small cavity or pit: such 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

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


Medical Dictionary

alveolus

noun al·ve·o·lus \ al-ˈvē-ə-ləs \

medical Definition of alveolus

plural alveoli play \-ˌlī, -(ˌ)lē\
: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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