- pulmonary sac
- noun
also pulmonary cavity
: a hollow organ having a contractile exterior opening and lined with a network of blood vessels that functions as a lung in most land mollusks
Useful english dictionary. 2012.
pulmonary sac
Look at other dictionaries:
pulmonary cavity — noun see pulmonary sac … Useful english dictionary
Pulmonary artery — Artery: Pulmonary artery … Wikipedia
sac — 1. A pouch or bursa. SYN: saccus [TA]. SEE ALSO: sacculus. 2. An encysted abscess at the root of a tooth. 3. The capsule of a tumor, or envelope of a cyst. [L. saccus, a … Medical dictionary
Pulmonary surfactant — Diagram of the alveoli with both cross section and external view Pulmonary surfactant is a surface active lipoprotein complex (phospholipoprotein) formed by type II alveolar cells. The proteins and lipids that surfactant comprises have both a… … Wikipedia
Pulmonary alveolus — An alveolus (plural: alveoli, from Latin alveolus , little cavity ) is an anatomical structure that has the form of a hollow cavity. Found in the lung, the pulmonary alveoli are spherical outcroppings of the respiratory bronchioles and are the… … Wikipedia
pulmonary cavity — См. pulomonary sac … Dictionary of invertebrate zoology
pulmonary alveolus — noun A small air sac in the lungs, where oxygen and carbon dioxide are exchanged with the blood … Wiktionary
air sac — noun 1. a tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passageways • Syn: ↑alveolus, ↑air cell • Derivationally related forms: ↑alveolate (for: ↑alveolus) • Hypernyms … Useful english dictionary
Air sac — is an anatomical term with several meanings: * Pulmonary alveolus, informally known as an air sac, one of innumerable spherical outcroppings of the respiratory bronchioles in the mammalian lung, the secondary sites of gas exchange with the blood… … Wikipedia
air sac — 1. a sac containing air. 2. alveolus (def. 2). 3. any of certain cavities in a bird s body connected with the lungs. 4. a saclike dilation of the wall of a trachea in many insects. [1820 30] * * * ▪ anatomy any of the air filled extensions… … Universalium
