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The pharyngeal muscles are a group of muscles that form the pharynx, which is posterior to the oral cavity, determining the shape of its lumen, and affecting its sound properties as the primary...

The intrinsic laryngeal muscles are responsible for controlling sound production. Cricothiroyd muscle lengthen and tense the vocal folds.Posterior Cricoarytenoid muscles abduct and externally rotate...

See Extrinsic Larynx Muscles - Hyoid Muscles for a detailed description.

See Extrinsic Larynx Muscles - Hyoid Muscles for a complete description.

There are six muscles which are responsible for controlling the movement of the eyeballs. These muscles are called extrinsic eye muscles because their origin points are outside of the eyeballs (in...

The extrinsic laryngeal muscles support and position the larynx within the mid-cervical region. They are divided in: Inferior Hyoid Muscles:Sternothyroid muscles depress the larynx.Omohyoid muscles...

The intrinsic muscles of the tongue are entirely contained inside the tongue. They are: Superior Lingualis - Longitudinalis Liunguae Superior;Transverse Linguae - Transversus Lingualis;Inferior...

The extrinsic muscles of the tongue origin outside the tongue and insert in it. They are: Genioglossus;Hyoglossus;Chondroglossus;Styloglossus;Palatoglossus - Glossopalatinus (that is also part of...

The intrinsic muscles of the eye control two important functions: the size of the pupil: iris muscles (Iris Sphincter Muscle and Iris Dilator Muscle)the shape of the lens: Ciliary Muscle Size of the...