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Anatomy of the nasal cavity. Nasal-associated lymphoid tissue labelled NALT. The nasal cavity is the large internal space of the nose, and is in two parts – the nasal vestibule and the nasal cavity proper. [2] The nasal vestibule is the frontmost part of the nasal cavity, enclosed by cartilages.
The nasal cavity is divided in two by the vertical nasal septum. On the side of each nasal cavity are three horizontal outgrowths called nasal conchae (singular "concha") or turbinates. These turbinates disrupt the airflow, directing air toward the olfactory epithelium on the surface of the turbinates and the septum.
The ethmoidal infundibulum is a funnel-shaped [1] /slit-like [2]: 690 /curved [3] opening [1] /passage [4] /space [2]: 690 /cleft [3] upon the anterosuperior portion of the middle nasal meatus [1] (and thus of the lateral wall of [2] the nasal cavity [1]) at the hiatus semilunaris [3] [5] (which represents the medial extremity of the infundibulum [2]).
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 ...
The sphenoid sinus is a paired paranasal sinus in the body of the sphenoid bone. It is one pair of the four paired paranasal sinuses. [1] The two sphenoid sinuses are separated from each other by a septum. Each sphenoid sinus communicates with the nasal cavity via the opening of sphenoidal sinus.
Its medial surface forms part of the lateral wall of the nasal cavity; at its upper part is a rough, uneven area, which articulates with the ethmoid, closing in the anterior ethmoidal cells; below this is an oblique ridge, the ethmoidal crest, the posterior end of which articulates with the middle nasal concha, while the anterior part is termed ...
Printable version; In other projects ... and lateral wall of left nasal cavity. (Posterior nasal spine labeled at bottom left.) ... "Anatomy diagram: 34257.000-1".
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 ...