Septal nasal cartilage

The septal nasal cartilage (cartilage of the septum or quadrangular cartilage) is composed of hyaline cartilage.[1] It is somewhat quadrilateral in form, thicker at its margins than at its center, and completes the separation between the nasal cavities in front.

Septal nasal cartilage
Bones and cartilages of septum of nose. Right side (cartilage of the septum visible as blue structure at right)
Cartilages of the nose, seen from below (cartilage of septum visible in blue at bottom center)
LatinCartilago septi nasi
Anatomical terminology

Its anterior margin, thickest above, is connected with the nasal bones, and is continuous with the anterior margins of the lateral cartilages; below, it is connected to the medial crura of the major alar cartilages by fibrous tissue.

Its posterior margin is connected with the perpendicular plate of the ethmoid; its inferior margin with the vomer and the palatine processes of the maxillae.


  1. Saladin, Kenneth S. Anatomy and Physiology (6th ed.). New York, NY: McGraw Hill, 2012.: McGraw Hill Higher Education. p. 856. ISBN 9780077472139.

This article incorporates text in the public domain from page 992 of the 20th edition of Gray's Anatomy (1918)

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