Hyoid bone

Definition

The hyoid bone is a U-shaped bone located in the anterior neck. It supports the tongue and serves as an attachment point for muscles associated with swallowing and speech.

5 Must Know Facts For Your Next Test

1. The hyoid bone is unique because it does not directly articulate with any other bone in the human body.
2. It provides structural support for the larynx (voice box) and pharynx (throat).
3. The hyoid bone consists of a central part called the body, and two pairs of projections called the greater and lesser horns.
4. It plays a critical role in breathing, swallowing, and speaking by anchoring various muscles.
5. The hyoid bone is often studied in forensic science to determine strangulation as it can fracture due to trauma.

Review Questions

• What makes the hyoid bone unique among other bones in the human body?
• Which anatomical structures does the hyoid bone support?
• What are the main functions of the hyoid bone?

Related terms

Larynx:

A cartilaginous structure at the top of the trachea involved in breathing, sound production, and protecting the trachea against food aspiration.

Pharynx:

A muscular tube that connects the mouth and nasal passages with the larynx and esophagus.

Mandible: The lower jawbone, which holds lower teeth in place and assists in mastication (chewing) and forms part of the jaw structure.