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alveolusenUK
al·ve·o·lus A0236700 (ăl-vē′ə-ləs)n. pl. al·ve·o·li (-lī′) 1. A small angular cavity or pit, such as a honeycomb cell.2. A tooth socket in the jawbone.3. A tiny, thin-walled, capillary-rich sac in the lungs where the exchange of oxygen and carbon dioxide takes place. Also called air sac. [Latin, small hollow, diminutive of alveus, a hollow, from alvus, belly.]alveolus (ælˈvɪələs) or alveolen, pl -li (-ˌlaɪ) 1. (Anatomy) any small pit, cavity, or saclike dilation, such as a honeycomb cell2. (Anatomy) any of the sockets in which the roots of the teeth are embedded3. (Anatomy) any of the tiny air sacs in the lungs at the end of the bronchioles, through which oxygen is taken into the blood[C18: from Latin: a little hollow, diminutive of alveus]al•ve•o•lus (ælˈvi ə ləs) n., pl. -li (-ˌlaɪ) 1. a little cavity, pit, or cell, as a cell of a honeycomb. 2. any of the tiny bunched air sacs at the ends of the bronchioles of the lungs. 3. the socket within the jawbone in which the root or roots of a tooth are set. [1700–10; < Latin, =alve(us) concave vessel + -olus -ole1] al·ve·o·lus (ăl-vē′ə-ləs) Plural alveoli (ăl-vē′ə-lī′) Any of the tiny air-filled sacs arranged in clusters in the lungs that allow oxygen to diffuse into the bloodstream and carbon dioxide to diffuse out of it. Also called air sac.alveolus One of the lungs’ tiny air sacs at the outer ends of the terminal bronchioles; also the bony socket supporting a tooth.ThesaurusNoun | 1. | alveolus - a tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passagewaysair cell, air saclung - either of two saclike respiratory organs in the chest of vertebrates; serves to remove carbon dioxide and provide oxygen to the bloodsac - a structure resembling a bag in an animal | | 2. | alveolus - a bony socket in the alveolar ridge that holds a toothtooth socketsocket - a bony hollow into which a structure fitsalveolar process, alveolar ridge, gum ridge - a ridge that forms the borders of the upper and lower jaws and contains the sockets of the teeth | TranslationsalveolusenUK
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.al·ve·o·lus, gen. and pl. al·ve·o·li (al-vē'ō-lŭs, -ō-lī), Avoid the mispronunciation alveo'lus. A small cell, cavity, or socket.1. Synonym(s): pulmonary alveolus2. One of the terminal secretory portions of an alveolar or racemose gland. 3. One of the honeycomb pits in the wall of the stomach. 4. Synonym(s): tooth socket [L. dim. of alveus, trough, hollow sac, cavity] alveolus (ăl-vē′ə-ləs)n. pl. alveo·li (-lī′) 1. A small angular cavity or pit, such as a honeycomb cell.2. A tooth socket in the jawbone.3. A tiny, thin-walled, capillary-rich sac in the lungs where the exchange of oxygen and carbon dioxide takes place. Also called air sac.alveolus A hollow cavity that is an outpouching of the respiratory bronchioles and the alveolar ducts; there are an estimated 150 million alveoli, which are the primary site of gas exchange between the blood and environment, covering a surface area of 75m2. Alveoli are lined by type-1 (squamous) alveolar cells, type-2 (great) alveolar cells, the latter of which secrete surfactant and macrophages.al·ve·o·lus (al-vē'ō-lŭs, -lī) [TA] 1. Synonym(s): pulmonary alveoli. 2. One of the terminal secretory portions of an alveolar or racemose gland. 3. One of the honeycomb pits in the wall of the stomach. 4. Synonym(s): tooth socket. [L. dim. of alveus, trough, hollow sac, cavity]alveolus (al-ve'o-lus ) (al-ve'o-li?, -le?) plural.alveoli [L. alveolus, small hollow, cavity] 1. A small hollow. 2. The bony socket of a tooth. ALVEOLUS OF LUNGS3. An air sac of the lungs. See: illustration4. Any of the honeycombed depressions of the gastric mucous membrane.5. A follicle of a racemose gland.alveoli of the breastGlandular structures arranged in clusters throughout the breast and the site of milk synthesis.alveolus dentalisA tooth socket.pulmonary alveolusAny of the terminal epithelial sacs of an alveolar duct where gases are exchanged in respiration. It is informally called an “air sac.” Synonym: alveolar sacalveoli pulmonisPulmonary alveoli.alveolus 1. One of the many million tiny, thin-walled, air sacs in the lungs. 2. A tooth socket in the jaw bone. 3. Any small cavity or sac. alveolus (pl. alveoli) - a small air-filled sac which occurs in large numbers in the LUNGS of vertebrates and whose function is to increase surface area for gaseous exchange (see AERIAL RESPIRATION).
- groups of secretory cells found at the internal ends of ducts of mammary and other glands.
- an inflated area of the follicle which surrounds the depressions from which cilia (see CILIUM arise in some ciliates, e.g. Paramecium.
- a tooth cavity in the jaw bone.
Alveolus (plural alveoli)The terminal air sacs of the lungs where gas exchange occurs.Mentioned in: Surfactantal·ve·o·lus (al-vē'ō-lŭs, -lī) [TA] 1. Synonym(s): tooth socket. 2. A small cell, cavity, or socket. [L. dim. of alveus, trough, hollow sac, cavity]alveolusenUK Related to alveolus: respiratory system, alveoliSynonyms for alveolusnoun a tiny sac for holding air in the lungsSynonymsRelated Wordsnoun a bony socket in the alveolar ridge that holds a toothSynonymsRelated Words- socket
- alveolar process
- alveolar ridge
- gum ridge
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