pulmonary alveoli


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alveolus

 [al-ve´o-lus] (pl. alve´oli) (L.)
a little hollow, as the socket of a tooth, a follicle of an acinous gland, or a pulmonary alveolus. adj., adj alve´olar.
dental alveoli the cavities or sockets of either jaw, in which the roots of the teeth are embedded.
pulmonary alveoli small outpouchings along the walls of the alveolar sacs and alveolar ducts; through them, gas exchange takes place between alveolar gas and pulmonary capillary blood.

pul·mo·nar·y al·ve·o·li

(pul'mŏ-nār-ē al-vē'ă-lī)
One of the thin-walled, saclike terminal dilations of the respiratory bronchioles, alveolar ducts, and alveolar sacs across which gas exchange occurs between alveolar air and the pulmonary capillaries.
Synonym(s): alveolus (1) [TA] , air cells (1) , air vesicles, alveoli pulmonis, bronchic cell.
References in periodicals archive ?
These lipids act as surfactants, decreasing the surface tension within the pulmonary alveoli, and preventing collapse of the alveoli when the lung is deflated.

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