Ligamentum nuchae
Ligamentum Nuchae
Ligamentum Nuchae (pronounced: li-ga-men-tum nu-kay) is a significant anatomical structure in the vertebrate skeletal system.
Etymology
The term "Ligamentum Nuchae" originates from Latin, where "ligamentum" means "band" or "tie", and "nuchae" refers to the nape or back of the neck.
Definition
The Ligamentum Nuchae is a large, fibrous band of tissue that extends from the external occipital protuberance and median nuchal line to the spinous process of the seventh cervical vertebra, in the posterior midline. It is a continuation of the supraspinous ligament and serves as a muscle attachment site for several muscles that move the head and neck.
Function
The primary function of the Ligamentum Nuchae is to sustain the weight of the head and maintain the upright posture of the neck. It also serves as an attachment site for muscles, including the trapezius, splenius capitis, and rhomboid minor muscles.
Related Terms
- Vertebrate: An animal of a large group distinguished by the possession of a backbone or spinal column, including mammals, birds, reptiles, amphibians, and fishes.
- Supraspinous ligament: A ligament that extends from the seventh cervical vertebra to the sacrum, along the tips of the spinous processes.
- Trapezius: A large superficial muscle that extends longitudinally from the occipital bone to the lower thoracic vertebrae and laterally to the spine of the scapula.
- Splenius Capitis: A broad, straplike muscle in the back of the neck. It pulls on the base of the skull from the vertebrae in the neck and upper thorax.
- Rhomboid Minor: A small skeletal muscle on the back that connects the scapula with the vertebrae of the spinal column.
External links
- Medical encyclopedia article on Ligamentum nuchae
- Wikipedia's article - Ligamentum nuchae
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