air sac

Noun

Meaning

One of the spaces in different parts of the bodies of birds, which are filled with air and connected with the air passages of the lungs; an air cell.

Source: Webster's dictionary

Synonyms

alveolus air cell air bladder air cushion air space air bubble air bag air chamber air pocket air gap air reservoir air cavity air compartment air container air sacs
Show all synonyms

Hypernyms

sac

Examples

In most species, the sound is produced by expelling air from the lungs over the vocal cords into an air sac or sacs in the throat or at the corner of the mouth. Source: Internet

Evaporation can be assessed by candling, to view the size of the air sac, or by measuring weight loss. Source: Internet

The presence of a subcutaneous air sac system in at least some pterodactyloids would have further reduced the density of the living animal. Source: Internet

The syrinx depends on the air sac system in birds to function; specifically, it requires the presence of a clavicular air sac near the wishbone or collar bone. Source: Internet

The walrus has an air sac under its throat which acts like a floatation bubble and allows it to bob vertically in the water and sleep. Source: Internet

Upon inhalation, 75% of the fresh air bypasses the lungs and flows directly into a posterior air sac which extends from the lungs and connects with air spaces in the bones and fills them with air. Source: Internet

Close letter words and terms

air route traffic control center air route traffic control centre air rush air sac in the lungs air sac of the lungs air sacculitis