Sphenoid sinus - Wikipedia
Sphenoidotomy, a form of endonasal surgery, may be done to enlarge the sphenoid sinus, usually in order to drain it. [8] The sphenoid sinus should be distinguished from an Onodi cell, an …
Sphenoid sinus | Radiology Reference Article | Radiopaedia.org
Lymphatic drainage occurs via afferent vessels leading into the retropharyngeal nodes. With respect to optic nerve (CN II) relationship: Pneumatization of the sphenoid sinus starts at …
The Paranasal Sinuses - Structure - Function - TeachMeAnatomy
2021年4月1日 · Drainage is via the frontonasal duct. It opens out at the hiatus semilunaris, within the middle meatus of the nasal cavity. Sensation is supplied by the supraorbital nerve (a …
Anatomy, Head and Neck, Nose Paranasal Sinuses
2023年2月11日 · The sphenopalatine artery supplies the sphenoid sinus, and venous drainage is via the maxillary vein. The anterior and posterior ethmoid arteries supply the ethmoid sinuses, …
Sphenoid Sinus Anatomy, Diagram & Location | Body Maps - Healthline
2018年1月21日 · There are four paired sinuses in the head. The most posterior (farthest toward the back of the head) of these is the sphenoid sinus. The sphenoid sinuses are located in the …
Sphenoid sinus anatomical variants and pathologies: pictorial essay
The spheno-ethmoid recess (SER) is the drainage pathway of the posterior ethmoidal air cells and sphenoid sinuses into the superior nasal meatus. The sphenoid sinus is antero-superior …
Intranasal and Sinus Anatomy - EyeWiki
They are lined by a respiratory epithelium and have drainage at specific places on the lateral wall of the nasal cavity. The four of them- the maxillary, the frontal, the ethmoid and the sphenoid …
The Frontal Sinus Drainage Pathway and Related Structures
2003年9月1日 · The purpose of this pictorial essay is to provide a visual guide to the frontal sinus drainage pathway (FSDP), associated anatomic structures, and normal variations in sinus …
The Frontal Sinus Drainage Pathway and Related Structures
Overview of the drainage pathways of the paranasal sinuses. A, Composite image displaying the drainage pathways of the frontal, ethmoid, and sphenoid sinuses in relation to a sagittal CT …
The anatomy and physiology of the sphenoid sinus - ScienceDirect
2003年9月1日 · Ciliary motility is also hampered by apposition of mucosal surfaces, which results in the stasis of the mucous blanket. ral, normal sinus drainage is dependent on ostial patency, …