alveolus


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Related to alveolus: respiratory system, alveoli

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 alveolus
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-lus) pl. alve´oli   [L.] a small saclike dilatation; see also acinus.
dental alveolus  one of the cavities or sockets of the jaw, in which the roots of the teeth are embedded.
pulmonary alveoli  small outpocketings of the alveolar ducts and sacs and terminal bronchioles through whose walls the exchange of carbon dioxide and oxygen takes place between the alveolar air and capillary blood.

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

[alvē′ələs] pl. alveoli
Etymology: L, alveolus, little hollow
1 a small outpouching along the walls of the alveolar sacs through which gas exchange between alveolar air and pulmonary capillary blood takes place. Also called acinus, pulmonary alveolus.
2 a tooth socket. See also dental alveolus. alveolar, adj.
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Alveoli

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.
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ALVEOLUS OF LUNGS
3. An air sac of the lungs. See: illustration
4. Any of the honeycombed depressions of the gastric mucous membrane.
5. A follicle of a racemose gland.

alveoli of the breast

Glandular structures arranged in clusters throughout the breast and the site of milk synthesis.

alveolus dentalis

A tooth socket.

pulmonary alveolus

Any of the terminal epithelial sacs of an alveolar duct where gases are exchanged in respiration. It is informally called an “air sac.” Synonym: alveolar sac

alveoli pulmonis

Pulmonary 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)
  1. 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).
  2. groups of secretory cells found at the internal ends of ducts of mammary and other glands.
  3. an inflated area of the follicle which surrounds the depressions from which cilia (see CILIUM arise in some ciliates, e.g. Paramecium.
  4. a tooth cavity in the jaw bone.

Alveolus (plural alveoli)

The terminal air sacs of the lungs where gas exchange occurs.
Mentioned in: Surfactant

al·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]

alveolus (alvē´əlus),

n 1. an air sac of the lungs formed by terminal dilations of the bronchioles.
n 2. the socket in the bone in which a tooth is attached by means of the periodontal ligament.

alveolus

pl. alveoli.
1. a small cavity.
2. one of the thousands of tiny sacs borne on the terminal parts of the bronchial tree.
3. a tooth socket.
4. the dilated saclike part of the secretory unit of an alveolar gland such as a lactating mammary gland.
See also alveolar.

mammary alveolus
because its epithelia produce milk the alveolus is the basic functioning unit of the lactating mammary gland.
References in periodicals archive ?
Debridement of soft tissue remnants from the alveolus was accomplished with a Lucas curette.
Aesthetic correction of a patient with cleft lip and alveolus in is always a challenging job especially when the situation is complicated with over retained deciduous tooth and impacted permanent tooth.
If alveolus diameter were reduced by half, how much diffusion could occur?
In addition to the Alveolus acquisition, Merit negotiated a $1.
Lisa Kaiser, a Respiratory Therapist in the Bronchoscopy Unit at MUSC who assisted in the procedures also praised the new technology and when asked about the Alveolus stents, she said they "placed well and were easy to manipulate.
The dentary symphysis extended back to approximately the same posterior extent as the sixth or seventh alveolus.
Alveolus is an emerging leader in the development of non-vascular interventional stent technology.
The acquired products are also CE marked, and we believe our infrastructure and long-standing reputation for service and quality products in the European market will provide opportunities for substantial growth of the Alveolus products.
They can turn into macrophages during periods of insult and can also turn into Type I pneumocytes in order to reconstruct the alveolus in healthy, young, non-smokers.
Alveolus: An alveolus (plural alveoli) is a tiny thin-walled air sac that allows gases to be exchanged between air and blood.
Each alveolus has a network of tiny blood vessels -- capillaries -- wrapped around it.
2] in each alveolus are established by the amount of alveolar ventilation and pulmonary capillary perfusion each alveolus receives.