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Upper respiratory system, with the nasopharynx, oropharynx and laryngopharynx labeled at left. The upper portion of the pharynx, the nasopharynx, extends from the base of the skull to the upper surface of the soft palate. [2] It includes the space between the internal nares and the soft palate and lies above the oral cavity.
Nasal cavity anatomy. The term "nasal cavity" can refer to each of the two cavities of the nose, or to the two sides combined. CT scan in the coronal plane, showing the ostiomeatal complex (green area) The lateral wall of each nasal cavity mainly consists of the maxilla.
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.
Adult and pediatric airway anatomy The respiratory tract can also be divided into a conducting zone and a respiratory zone , based on the distinction of transporting gases or exchanging them. The conducting zone includes structures outside of the lungs – the nose , pharynx , larynx , and trachea , and structures inside the lungs – the ...
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 middle ear is the portion of the ear medial to the eardrum, and distal to the oval window of the cochlea (of the inner ear).. The mammalian middle ear contains three ossicles (malleus, incus, and stapes), which transfer the vibrations of the eardrum into waves in the fluid and membranes of the inner ear.
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.
The head rests on the top part of the vertebral column, with the skull joining at C1 (the first cervical vertebra known as the atlas).The skeletal section of the head and neck forms the top part of the axial skeleton and is made up of the skull, hyoid bone, auditory ossicles, and cervical spine.