Alveolus

Alveolus ( , ; , ; ) is a general anatomical term for a concave cavity or pit.

==Uses in anatomy and zoology== Pulmonary alveolus, an air sac in the lungs Alveolar cell or pneumocyte Alveolar duct Alveolar macrophage Mammary alveolus, a milk sac in the mammary glands Alveolar gland Dental alveolus, also known as "tooth socket", a socket in the jaw that holds the roots of teeth Alveolar ridge, the jaw structure that contains the dental alveoli Alveolar canals Alveolar process Arteries: Superior alveolar artery (disambiguation) Anterior superior alveolar arteries Posterior superior alveolar artery Inferior alveolar artery Nerves: Anterior superior alveolar nerve Middle superior alveolar nerve Inferior alveolar nerve