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  2. Nasal cavity - Wikipedia

    en.wikipedia.org/wiki/Nasal_cavity

    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.

  3. Respiratory system - Wikipedia

    en.wikipedia.org/wiki/Respiratory_system

    In humans and other mammals, the anatomy of a typical respiratory system is the respiratory tract.The tract is divided into an upper and a lower respiratory tract.The upper tract includes the nose, nasal cavities, sinuses, pharynx and the part of the larynx above the vocal folds.

  4. Human nose - Wikipedia

    en.wikipedia.org/wiki/Human_nose

    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.

  5. Sphenoid sinus - Wikipedia

    en.wikipedia.org/wiki/Sphenoid_sinus

    An opening of sphenoidal sinus forms a passage between each sphenoidal sinus [2]: 500 and the nasal cavity. Posteriorly, an opening of sphenoidal sinus opens into the sphenoidal sinus by an aperture high on the anterior wall the sinus; anteriorly, an opening of sphenoidal sinus opens into the roof of the nasal cavity via an aperture on the ...

  6. Nasolacrimal duct - Wikipedia

    en.wikipedia.org/wiki/Nasolacrimal_duct

    The canal containing the duct is called the nasolacrimal canal.It is formed by indentations in the inferior nasal conchae, maxilla and lacrimal bone.The canal drains into the nasal cavity through the anterior portion of the inferior meatus, which is between the inferior concha and the floor of the nasal cavity.

  7. Ethmoid sinus - Wikipedia

    en.wikipedia.org/wiki/Ethmoid_sinus

    The ethmoid air cells consist of numerous thin-walled cavities in the ethmoidal labyrinth [4] that represent invaginations of the mucous membrane of the nasal wall into the ethmoid bone. [3] They are situated between the superior parts of the nasal cavities and the orbits, and are separated from these cavities by thin bony lamellae. [4]

  8. Nose - Wikipedia

    en.wikipedia.org/wiki/Nose

    This is an accepted version of this page This is the latest accepted revision, reviewed on 13 February 2025. 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 ...

  9. Middle nasal concha - Wikipedia

    en.wikipedia.org/wiki/Middle_nasal_concha

    Anatomy figure: 22:02-10 at Human Anatomy Online, SUNY Downstate Medical Center; upstate.edu - Frontal; Atlas image: rsa1p9 at the University of Michigan Health System - lateral; Atlas image: rsa1p6 at the University of Michigan Health System - coronal "Anatomy diagram: 34256.000-1". Roche Lexicon - illustrated navigator. Elsevier.