Septal nasal cartilage
| Septal nasal cartilage | |
|---|---|
 Bones and cartilages of the septum of the nose. Right side (cartilage of the septum visible as the blue structure at right) | |
 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 (also known as the cartilage of the septum, quadrangular cartilage, cartilaginous nasal septum, mesrostral cartilage, or mesethmoid 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.
In other animals
[edit]Ossification
[edit]In several fossil taxa, including Necrolestes[2] and Champsosaurus[3], the nasal septum becomes ossified. The homology of this element is complex; depending on the taxon, it may have contributions from the presphenoid, the mesethmoid, and/or the sphenethmoid.[4]
References
[edit]- ↑ 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.
- ↑ Wible, John R.; Rougier, Guillermo W. (15 June 2017). "Craniomandibular Anatomy of the Subterranean Meridiolestidan Necrolestes patagonensis Ameghino, 1891 (Mammalia, Cladotheria) from the Early Miocene of Patagonia". Annals of Carnegie Museum. 84 (3): 183–252. doi:10.2992/007.084.0302. ISSN 0097-4463.
- ↑ Dudgeon, Thomas W.; Maddin, Hillary C.; Evans, David C.; Mallon, Jordan C. (2020). "Computed tomography analysis of the cranium of Champsosaurus lindoei and implications for the choristoderan neomorphic ossification". Journal of Anatomy. 236 (4): 630–659. doi:10.1111/joa.13134. ISSN 1469-7580. PMC 7083570. PMID 31905243.
- ↑ Sánchez-Sánchez, Guadalupe R.; Galliari, Fernando C.; Carlini, Alfredo A. (18 October 2024). "The skull base in Cingulata (Xenarthra, Mammalia): early ossification, homologies, and comparisons across mammals". Journal of Mammalian Evolution. 31 (4): 37. doi:10.1007/s10914-024-09734-3. ISSN 1573-7055.
This article incorporates text in the public domain from page 992 of the 20th edition of Gray's Anatomy (1918)
External links
[edit]- Anatomy figure: 33:02-01 at Human Anatomy Online, SUNY Downstate Medical Center - "Diagram of the skeleton of medial (septal) nasal wall."
- Atlas image: rsa1p7 at the University of Michigan Health System - "Nasal septum, lateral view"
- lesson9 at The Anatomy Lesson by Wesley Norman (Georgetown University) (nasalseptumbonescarti)
