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Lateral Nasal Cartilage
Connective Tissue

Lateral Nasal Cartilage

Cartilago nasi lateralis

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Structure

The lateral nasal cartilages are one of three paired plates of cartilage forming the lateral, cartilaginous skeleton of the external nose. It is triangular and forms the superolateral part of the lateral wall of the external nose. The cartilage plate is thickest anteriorly and gets thinner posteriorly.

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Anatomical Relations

The posterior side of this triangular cartilage continues along the nasal bone and onto the frontal process of the maxilla. The anterior side attaches to the septal cartilage on the midline. Thus, the major attachment of the external nose to the facial skeleton and to the internal nose is by the lateral nasal cartilage. The base of the triangle of cartilage articulates with the major alar nasal cartilage.

Function

The lateral nasal cartilage fuses with the septal cartilage along the midline, ideally at an angle between 10 to 15 degrees. In this area is the internal nasal valve, essential to maintain the normal nasal airway (Park et al, 2015).

List of Clinical Correlates

—Symptomatic nasal obstruction

—Rhinoplasty

References

Park, J., Suhk, J. & Nguyen, A. H. (2015) Nasal Analysis and Anatomy: Anthropometric Proportional Assessment in Asians-Aesthetic Balance from Forehead to Chin, Part II. Semin Plast Surg, 29(4), 226-31.

Learn more about this topic from other Elsevier products

Nasal Cartilages

ScienceDirect image

Shrinking of the nasal cartilage and its replacement with fibrous tissue changes the normally smooth transition between bone and cartilage in the nose into an abrupt transition termed 'saddle nose', a condition experienced by ∼30% of patients.

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