Septal nasal cartilage

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Septal nasal cartilage
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Bones and cartilages of the septum of the nose. Right side (cartilage of the septum visible as the blue structure at right)
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Cartilages of the nose, seen from below (cartilage of septum visible in blue at bottom center)
Details
Identifiers
Latin cartilago septi nasi
TA98 A06.1.01.013
TA2 946
FMA 59503
Anatomical terminology

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.

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.

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<span class="mw-page-title-main">Ethmoid bone</span> Bone of the facial skeletonl

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<span class="mw-page-title-main">Inferior nasal concha</span> Facial bone

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<span class="mw-page-title-main">Vomer</span> Unpaired facial bone of the skull

The vomer is one of the unpaired facial bones of the skull. It is located in the midsagittal line, and articulates with the sphenoid, the ethmoid, the left and right palatine bones, and the left and right maxillary bones. The vomer forms the inferior part of the nasal septum in humans, with the superior part formed by the perpendicular plate of the ethmoid bone. The name is derived from the Latin word for a ploughshare and the shape of the bone.

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<span class="mw-page-title-main">Perpendicular plate of ethmoid bone</span>

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<span class="mw-page-title-main">Major alar cartilage</span> Cartilaginous plate in the nose

The major alar cartilage is a thin, flexible plate, situated immediately below the lateral nasal cartilage, and bent upon itself in such a manner as to form the medial wall and lateral wall of the nostril of its own side.

<span class="mw-page-title-main">Lateral nasal cartilage</span>

The lateral nasal cartilage is situated below the inferior margin of the nasal bone, and is flattened, and triangular in shape.

<span class="mw-page-title-main">Nasal cartilages</span> Supportive structures in the nose

The nasal cartilages are structures within the nose that provide form and support to the nasal cavity. The nasal cartilages are made up of a flexible material called hyaline cartilage in the distal portion of the nose. There are five individual cartilages that make up the nasal cavity: septal nasal cartilage, lateral nasal cartilage, major alar cartilage, minor alar cartilage, and vomeronasal cartilage.

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References

  1. Saladin, Kenneth S. (2012). Reeder, Greg (ed.). Supplement to Accompany Kenneth S. Saladin's Anatomy & Physiology: The Unity of Form and Function (6th ed.). New York, NY: McGraw-Hill. ISBN   978-0-07-747213-9. OCLC   1027903304.

PD-icon.svgThis article incorporates text in the public domain from page 992 of the 20th edition of Gray's Anatomy (1918)