Nasal cartilages

Nasal cartilages are an essential part of the anatomy of the nose, providing structure and shape to the nasal cavity. They are primarily composed of hyaline cartilage, a type of connective tissue that is both flexible and resilient.

Etymology

The term "nasal" is derived from the Latin "nasus", meaning nose. "Cartilage" comes from the Latin "cartilago", which refers to a type of tough, flexible tissue.

Structure

The nasal cartilages are divided into two main categories: the septal nasal cartilage and the lateral nasal cartilage.

Septal Nasal Cartilage

The septal nasal cartilage forms the anterior part of the nasal septum, which separates the left and right nasal cavities. It is attached to the perpendicular plate of the ethmoid bone and the vomer, two bones that form the posterior part of the nasal septum.

Lateral Nasal Cartilage

The lateral nasal cartilage is situated above the maxilla, the upper jawbone, and below the nasal bone. It forms the bridge of the nose and contributes to the shape of the nostrils.

Function

The primary function of the nasal cartilages is to provide structure and shape to the nose, allowing for the proper functioning of the nasal cavity. They also play a role in the process of respiration, as they help to regulate the flow of air through the nasal passages.

Clinical Significance

Abnormalities or injuries to the nasal cartilages can lead to a variety of medical conditions, such as deviated septum, nasal fracture, and rhinoplasty. Treatment for these conditions often involves surgical intervention to repair or reshape the affected cartilage.

See Also

• Nose
• Cartilage
• Respiratory system

References

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