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30 cze 2024 · The sphenoid sinus is the most posterior paranasal sinus. Summary. location: the central body of the sphenoid bone anteroinferior to the sella turcica. blood supply: posterior ethmoidal and sphenopalatine arteries. innervation: posterior ethmoidal nerve and the orbital branch of the pterygopalatine ganglion. Gross anatomy.
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.
Explore the structure, function, and clinical correlates of the sphenoid sinuses in human anatomy.
11 maj 2020 · We described the anatomical variants of the sphenoid sinuses anatomy, according to their size, shape, degree of pneumatisation, protrusion of anatomical structures into their lumen, superimposition of ethmoid cells (Onodi cells), and presence of accessory septations
27 maj 2014 · The anatomy of the sphenoid sinus is highly variable. Significant variability exists regarding the dimensions of the sphenoid sinus, attachment of the intersinus septum, number of septa, and pneumatization of the sphenoid bone.
The sphenoidal air sinuses (a.k.a. sinus of sphenoid bone) are a pair of air filled spaces located within the body of sphenoid bone. The sphenoid air sinuses play a part in forming the roof of the nasopharynx and are situated behind the upper part of the nasal cavity.
The Sphenoidal Sinuses (sinus sphenoidales) contained within the body of the sphenoid vary in size and shape; owing to the lateral displacement of the intervening septum they are rarely symmetrical. The following are their average measurements: vertical height, 2.2 cm.; transverse breadth, 2 cm.; antero-posterior depth, 2.2 cm.
