Viscera of the Neck

Overview

Neck muscles play key roles in movement, swallowing, posture and respiration. This section introduces the major muscular groups and their coordinated functions.

Key Structures

Topics include anterior, posterior and lateral cervical muscles, outlining their attachments, innervation and contribution to head and neck movement.

Clinical Relevance and Learning Focus

Understanding cervical muscle anatomy assists in evaluating neck pain, torticollis, swallowing issues and airway positioning. It supports musculoskeletal and neurological assessment.

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Illustration showing the three subdivisions of the pharynx: nasopharynx, oropharynx, and laryngopharynx, along with their borders.

The Pharynx

Posterior view of the intrinsic muscles of the larynx, highlighting the arytenoid muscle.

The Larynx

  • The Larynx
  • Laryngeal Ligaments and Folds
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The Thyroid Gland

Diagram showing the posterior aspect of the thyroid gland, highlighting the typical location of the parathyroid glands.

The Parathyroid Glands

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Illustration of the extrinsic muscles of the tongue, excluding the palatoglossus muscle.
Encyclopaedia

Genioglossus

by Max Bidewell

Diagram illustrating the course and branches of the infraorbital nerve, including the inferior palpebral and superior labial nerves.
Encyclopaedia

Superior Labial Nerve

by Melissa Phu

Lateral view of the neck highlighting the two heads of the sternocleidomastoid muscle innervated by the accessory nerve (CN XI).
Encyclopaedia

Sternocleidomastoid

by Dr Oliver Jones