What does air sacs mean?

air sacs meaning in Veterinary Dictionary

An avian term; identifies pockets within the the respiratory system of wild birds that hold atmosphere and allow all of them the capability to travel while the buoyancy required to do this.

Sentence Examples with the word air sacs

The ventral portion of the neck is formed by the strong crista inferior, on the median side of which is the deep fosses subtrochanterica by which air sacs enter the humerus.

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