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The Laryngeal Air Sac and Throat Structures, Left Ventral Aspect

Laryngeal Air Sac Mylohyoid Muscle Trachea Left Jaw Right Jaw

The laryngeal air sac is found in a number of different mammals including bats, rodents, ungulates and primates.
It is larger in male Rangifers than females and allows the males a loud calling voice particularly useful during the rut.
This article provides more information about the laryngeal air sac.

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