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[Anatomical relationship of the ethmoid-sphenoid areas to the optic canal and the internal carotid artery]. 1995

Y Li, and G Xu, and Y Yang
Third Clinical College, Zhongshan University of Medical Sciences, Guangzhou.

The anatomical relationships and morphologic features of the optic canal and the internal carotid artery to the lateral wall of the most posterior ethmoidal cell and the sphenoid sinus in 100 half-skulls swan middle-saggitally were investigated. The results showed: (1) The whole optic canals neighboured with the most ethmoidal cell in 39 cases, with the sphenoid sinus in 43 cases and with both of them in 18 cases; (2) The bulgings of the optic canal formed on the lateral wall of the most posterior ethmoidal cells and the sphenoid sinus were demonstrated in 48 and 47 cases respectively; (3) The marks of the internal carotid artery formed on the lateral wall of the sphenoid sinus were demonstrated in 53%-77% of all cases. The height and the thickness of the bony wall of the bulgings and marks of the optic canal and the internal carotid artery were measured. From our observation it was suggested that the variations of development and composition of the sphenoid-ethmoid sinuses, the bulging or mark of the optic canal and the internal carotid artery on the lateral wall of the most posterior ethmoidal cell and the sphenoid sinus might be the anatomical factors of severe complications in endoscopic ethmoid-sphenoid surgery.

UI MeSH Term Description Entries
D009900 Optic Nerve The 2nd cranial nerve which conveys visual information from the RETINA to the brain. The nerve carries the axons of the RETINAL GANGLION CELLS which sort at the OPTIC CHIASM and continue via the OPTIC TRACTS to the brain. The largest projection is to the lateral geniculate nuclei; other targets include the SUPERIOR COLLICULI and the SUPRACHIASMATIC NUCLEI. Though known as the second cranial nerve, it is considered part of the CENTRAL NERVOUS SYSTEM. Cranial Nerve II,Second Cranial Nerve,Nervus Opticus,Cranial Nerve, Second,Cranial Nerves, Second,Nerve, Optic,Nerve, Second Cranial,Nerves, Optic,Nerves, Second Cranial,Optic Nerves,Second Cranial Nerves
D002343 Carotid Artery, Internal Branch of the common carotid artery which supplies the anterior part of the brain, the eye and its appendages, the forehead and nose. Arteries, Internal Carotid,Artery, Internal Carotid,Carotid Arteries, Internal,Internal Carotid Arteries,Internal Carotid Artery
D004724 Endoscopy Procedures of applying ENDOSCOPES for disease diagnosis and treatment. Endoscopy involves passing an optical instrument through a small incision in the skin i.e., percutaneous; or through a natural orifice and along natural body pathways such as the digestive tract; and/or through an incision in the wall of a tubular structure or organ, i.e. transluminal, to examine or perform surgery on the interior parts of the body. Endoscopic Surgical Procedures,Surgical Procedures, Endoscopic,Endoscopic Surgical Procedure,Endoscopy, Surgical,Surgical Endoscopy,Surgical Procedure, Endoscopic,Procedure, Endoscopic Surgical,Procedures, Endoscopic Surgical
D005005 Ethmoid Sinus The numerous (6-12) small thin-walled spaces or air cells in the ETHMOID BONE located between the eyes. These air cells form an ethmoidal labyrinth. Bulla Ethmoidalis,Ethmoid Bulla,Ethmoid Sinuses,Ethmoidal Air Cells,Haller Cell,Infraorbital Ethmoid Cell,Onodi Air Cell,Sphenoethmoidal Air Cell,Air Cell, Ethmoidal,Air Cell, Onodi,Bulla Ethmoidali,Bulla, Ethmoid,Cell, Ethmoidal Air,Cell, Haller,Cell, Infraorbital Ethmoid,Cell, Sphenoethmoidal Air,Ethmoid Cell, Infraorbital,Ethmoid Sinuse,Ethmoidal Air Cell,Infraorbital Ethmoid Cells,Sinus, Ethmoid,Sphenoethmoidal Air Cells
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000886 Anthropometry The technique that deals with the measurement of the size, weight, and proportions of the human or other primate body.
D013101 Sphenoid Sinus One of the paired air spaces located in the body of the SPHENOID BONE behind the ETHMOID BONE in the middle of the skull. Sphenoid sinus communicates with the posterosuperior part of NASAL CAVITY on the same side. Sinus, Sphenoid

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