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The lowest part of the septum is a narrow strip of bone that projects from the maxilla and the palatine bones, and is the length of the septum. This strip of bone is called the maxillary crest; it articulates in front with the septal nasal cartilage, and at the back with the vomer. [5] The maxillary crest is described in the anatomy of the ...
The septum grows down from the roof of the nasal cavity and fuses with the developing palates along the midline. The septum divides the nasal cavity into two nasal passages opening into the pharynx through the definitive choanae. [48] [49] At ten weeks, the cells differentiate into muscle, cartilage, and 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. Each has two surfaces and four borders.
The nasal septum divides the cavity into two cavities, [1] also known as fossae. [2] Each cavity is the continuation of one of the two nostrils. The nasal cavity is the uppermost part of the respiratory system and provides the nasal passage for inhaled air from the nostrils to the nasopharynx and rest of the respiratory tract.
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
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. [3]
The neurons' dendrites project towards the nasal cavity while their axons ascend through the cribriform plate [1] as the olfactory nerves. [ 3 ] The part of the nasal cavity that is lined with olfactory mucosa is known as the olfactory region ( pars olfactoria tunicae mucosae nasi ), [ 2 ] while the rest of the nasal cavity that is lined by ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 27 October 2024. Organ that smells and facilitates breathing For other uses, see Nose (disambiguation). This article is about noses in general. For the article about noses in humans, see Human nose. Nose Nose of a dog Details Identifiers Latin nasus MeSH D009666 TA98 A06.1.01.001 A01.1.00.009 TA2 117 ...