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Español: Diagrama esquemático del sistema respiratorio humano, mostrando los pulmones, los alvéolos, y los músculos que permiten al aire entrar y salir del cuerpo. Íslenska : Skýringarmynd sem sýnir öndunarfæri mannsins.
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.
The inferior conchae are graded 1–4 based on the inferior concha classification system (known as the inferior turbinate classification system) in which the total amount of the airway space that the inferior concha takes up is estimated. Grade 1 is 0–25% of the airway, grade 2 is 26–50% of the airway, grade 3 is 51–75% of the airway and ...
The inferior nasal concha is ossified from a single center, which appears about the fifth month of fetal life in the lateral wall of the cartilaginous nasal capsule. [citation needed] The entire inferior concha may be absent in some people. This is a consequence of embryologic agenesis and is a normal anatomic variant. [3]
The inferior pharyngeal constrictor muscle is a skeletal muscle of the neck. It is the thickest of the three outer pharyngeal muscles. It arises from the sides of the cricoid cartilage and the thyroid cartilage. It is supplied by the vagus nerve (CN X). It is active during swallowing, and partially during breathing and speech.
The inferior frontal sulcus is a sulcus between the middle frontal gyrus and the inferior frontal gyrus. See also. Superior frontal sulcus; Additional images
The inferior colliculi of the midbrain are located just below the visual processing centers known as the superior colliculi. The inferior colliculus has three subdivisions – the central nucleus, the dorsal cortex by which it is surrounded, and an external cortex which is located laterally. [1]