Nuchal ligament

Nuchal Ligament

The Nuchal Ligament is a significant anatomical structure in the posterior aspect of the neck. It is a well-defined, thick, elastic, fibrous band that extends from the external occipital protuberance and median nuchal line to the spinous process of the seventh cervical vertebra, also known as the vertebra prominens.

Etymology

The term "nuchal" is derived from the Latin word "nucha," which means "nape" or "back of the neck."

Anatomy

The Nuchal Ligament is composed of two parts: the Funnel Ligament and the Supraspinous Ligament. The Funnel Ligament is the upper part that attaches to the skull, while the Supraspinous Ligament is the lower part that extends down the spine.

Function

The primary function of the Nuchal Ligament is to sustain the weight of the head and facilitate its movements. It also serves as a site for muscle attachment, including the Trapezius Muscle, Rhomboid Muscle, and Splenius Capitis Muscle.

Clinical Significance

In the medical field, the Nuchal Ligament is often examined in cases of neck pain and injury. It can be affected by conditions such as Whiplash, Ankylosing Spondylitis, and Rheumatoid Arthritis.

Meat Industry

In the meat industry, the Nuchal Ligament is often removed from slaughtered animals due to its tough and inedible nature. It is particularly prominent in bovines, making it a significant consideration in beef processing.

Related Terms

• Ligament: A fibrous connective tissue that connects bones to other bones.
• Cervical Vertebrae: The seven vertebrae that form the neck.
• Occipital Bone: The bone that forms the back and base of the skull.

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