Buccinator muscle

The buccinator muscle (Latin: Back muscle or muscle trumpeter outdated, even buccinatorius musculus ) is a skeletal muscle, which essentially forms the cheek ( jaw ). In contrast to other facial muscles of the M. buccinator has its own muscle fascia. With the upper Schlundkopfschnürern it is connected via the raphe pterygomandibularis.

In animals, a distinction pars buccal ( cheek part ) and a deeper Pars molaris ( Mahlzahnteil ).

Function

The buccinator muscle pushes the shoes against the teeth. It transports food from the oral cavity lateral atrium back into the actual oral cavity. He also is activated during activities such as blowing or whistling (hence " trumpeter muscle "). As a mimic muscle of the M. buccinator additionally supports the expression of laughing or crying.