NOUN
- any of the thin-walled extensions of the tracheae of insects
- a tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passageways
- any of the membranous air-filled extensions of the lungs of birds
How To Use air sac In A Sentence
- Airsacculitis may be present even after infection with relatively mild strains, and thickening of the air sacs with catarrhal or caseous discharge is often observed.
- When you breathe in through your windpipe, the air moves through your bronchial tubes into your air sacs.
- Even stranger, a strong S-shaped flexure in the cervical series (not obvious in live animals because of pectoral air sacs) means that the anterior part of the neck can be rapidly retracted into the thorax. Archive 2006-04-01
- It is produced by the bird inflating its furcular air sac; the calling bird visibly deflates as the vocalization progresses.
- The loud call of the indri is produced by a laryngeal air sac.
- The bones were hollow and thin-walled, but also pneumatic: that is, they had openings in their walls that allowed air sacs from the respiratory system to enter the bones.
- A huge goat-hair sack would then be thrown over the saddle, forming two deep pockets either side.
- The lungs contain tiny air sacs known as alveoli and bronchioles, the narrow passages leading to the air sacs which become permanently distended with air under this condition. Natural Remedies for Curing Emphysema
- During the breeding season, groups of males do their courtship display together, puffing out air sacs in their chest and spreading their tails.
- The lungs that look like a pair of pink sponges in our chest, for example, contain about 600 million tiny air sacks called alveoli and have 750 woven miles of blood vessels. Wiccan Employee Files Sexual And Religious Discrimination Lawsuit Against Google
