Muscles of the Head

Overview

Muscles of the head support expression, speech, mastication and eye movement. This section introduces the key functional groups that contribute to communication, sensory control and feeding.

Key Structures

Topics include the tongue muscles, muscles of facial expression, extraocular muscles and the muscles of mastication. Each page outlines attachments, actions and nerve supply.

Clinical Relevance and Learning Focus

Muscle anatomy is fundamental for evaluating facial palsy, ocular movement disorders and mastication problems. Understanding innervation patterns assists with neurological examination and diagnosis.

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Lateral view diagram of the oral muscles of facial expression, highlighting the blending of buccinator and orbicularis oris fibers.

Facial Expression

Diagram of the masseter muscle, showing only the superficial head.

Mastication

Diagram illustrating the sensory innervation of the tongue by the lingual nerve.

The Tongue

Popular

Illustration of the muscles of the medial thigh with anterior compartment muscles removed, highlighting the adductor group.
Encyclopaedia

Adductor Longus

by Dr Oliver Jones

Encyclopaedia

Palatopharyngeus

by Max Bidewell

Blood Vessels and Lymphatics of the Head & Neck

The Tonsils (Waldeyer’s Ring)

by Smrithi Santhosh