air sac


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Related to air sac: bronchiole
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  • noun

Synonyms for air sac

a tiny sac for holding air in the lungs

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any of the thin-walled extensions of the tracheae of insects

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any of the membranous air-filled extensions of the lungs of birds

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References in periodicals archive ?
Postoperatively, normal breathing was confirmed and the air sac cannula was removed.
At necropsy, multifocal white nodules were seen distributed on the surfaces of the air sacs and throughout the lung lobes.
In healthy lungs, the tiny air sacs or alveoli, fill with air when you breathe in and deflate when you exhale.
dagger]) Three juvenile chickens and turkeys inoculated through the air sac were killed on days 0, 2, 4, 6, 8, and 14 posinoculation, and left and right lung lobes were removed for analysis by real-time reverse transcription-PCR.
coli mixed with bacteriophage into the thoracic air sac.
Marek's disease, or leucosis, may result in gonadal neoplasia, especially in chickens, leading to massive enlargement of the reproductive organs and subsequent air sac compression.
The zoo would have to remove his air sac - an all-day surgical procedure never performed on a fully mature ape.
Within the air sac walls and in the coelomic serosa, multifocal granulomas 1-2 mm in diameter were present (Fig 1).
In apes the hyoid attaches to a large pouch called an air sac, that makes sounds bigger and deeper.
Radiographic signs of the disease may include increased soft tissue opacities in the lungs, air sacs, trachea, syrinx, and sinuses as well as asymmetry of the air sacs, with noticeable outlining of the air sac membranes by fluid accumulation or air trapping if airsacculitis is present.
First author Dan Huh, a Wyss technology development fellow at the Institute, said: "We were inspired by how breathing works in the human lung through the creation of a vacuum that is created when our chest expands, which sucks air into the lung and causes the air sac walls to stretch.
In a reptile, the air sac rises to the top of the egg about 24 hours after laying.
Because it showed little improvement, a fenestrated air sac cannula was placed in the left caudal air sac after administration of butorphanol (1 mg/kg IM once) and general anesthesia (isoflurane administered by mask in oxygen).
Coelioscopy with histologic examination and fungal culture of lung and air sac samples revealed anthracosis but no fungal infection.