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sphenoidal sinus, sinus sphenoidalis [TA] one of the paired paranasal sinuses in the anterior part of the body of the sphenoid bone, communicating with the superior meatus of the nasal cavity on the same side; the two are separated from each other by a septum.Medical dictionary. 2011.
sphenoid sinus — noun A paranasal sinus contained within the body of the sphenoid bone … Wiktionary
Sinus (anatomy) — Sinus is Latin for bay , pocket , curve , or bosom . In anatomy, the term is used in various contexts. A sinus is a sack or cavity in any organ or tissue, or an abnormal cavity or passage caused by the destruction of tissue. In common usage,… … Wikipedia
sphenoid ostium — sphenoid sinus ostium, ostium of sphenoid sinus apertura sinus sphenoidalis … Medical dictionary
opening of sphenoid sinus — apertura sinus sphenoidalis … Medical dictionary
sphenoid sinusitis — inflammation of a sphenoid sinus; called also sphenoiditis … Medical dictionary
Sphenoid wing meningioma — A sphenoid wing meningioma is a benign brain tumor located near the sphenoid bone. MeningiomaA meningioma is a benign brain tumor. It originates from the dura mater, the tissue enwrapping the brain and spinal cord. Meningiomas are much more… … Wikipedia
Sphenoid bone — Bone: Sphenoid bone Cranial Bones. Only the end of the wing of the sphenoid bone is visible … Wikipedia
Sinus, cavernous — A large channel of venous blood creating a sinus cavity bordered by the sphenoid bone and the temporal bone of the skull. The cavernous sinus is an important structure because of its location and its contents which include the third cranial… … Medical dictionary
sinus — 1. [TA] A channel for the passage of blood or lymph, without the coats of an ordinary vessel; e.g., blood passages in the gravid uterus or those in the cerebral meninges. 2. [TA] A cavity or … Medical dictionary
sinus cavernosus — [TA] cavernous sinus either of two sinuses of the dura mater, irregularly shaped and located at either side of the body of the sphenoid bone, extending from the medial end of the superior orbital fissure in front to the apex of the petrous… … Medical dictionary
