The septal nasal cartilage (cartilage of the septum or quadrangular cartilage) is composed of
hyaline cartilage
Hyaline cartilage is the glass-like (hyaline) and translucent cartilage found on many joint surfaces. It is also most commonly found in the ribs, nose, larynx, and trachea. Hyaline cartilage is pearl-gray in color, with a firm consistency and ha ...
.
[
] It is somewhat quadrilateral in form, thicker at its margins than at its center, and completes the separation between the
nasal cavities
The nasal cavity is a large, air-filled space above and behind the nose in the middle of the face. The nasal septum divides the cavity into two cavities, also known as fossae. Each cavity is the continuation of one of the two nostrils. The nasal c ...
in front.
Its anterior margin, thickest above, is connected with the
nasal bone
The nasal bones are two small oblong bones, varying in size and form in different individuals; they are placed side by side at the middle and upper part of the face and by their junction, form the bridge of the upper one third of the nose.
Ea ...
s, 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
The ethmoid bone (; from grc, ἡθμός, hēthmós, sieve) is an unpaired bone in the skull that separates the nasal cavity from the brain. It is located at the roof of the nose, between the two orbits. The cubical bone is lightweight due to ...
; its inferior margin with the vomer and the
palatine processes of the maxillae.
References
External links
* - "Nasal septum, lateral view"
* - "Diagram of skeleton of medial (septal) nasal wall."
* ()
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Nose