cavities located in the cranial bone or skull. Sinus is Latin for "bay", "pocket", "curve", or "bosom". In anatomy, the term is used in various contexts. The...

The frontal sinuses are one of the four pairs of paranasal sinuses that are situated behind the brow ridges. Sinuses are mucosa-lined airspaces within...

"Paranasal Sinus Anatomy: Overview, Gross Anatomy, Microscopic Anatomy". 2016-08-24. Lundberg, Jon O (November 2008). "Nitric oxide and the paranasal sinuses"....

sphenoid sinus is a paired paranasal sinus occurring within the body of the sphenoid bone. It represents one pair of the four paired paranasal sinuses. The...

The pyriform sinus (also piriform recess, piriform sinus, piriform fossa, or smuggler's fossa) is a small recess on either side of the laryngeal inlet...

ethmoid sinuses or ethmoid air cells of the ethmoid bone are one of the four paired paranasal sinuses. Unlike the other three pairs of paranasal sinuses which...

sinuses play a crucial role in cerebral venous drainage. A dural venous sinus, in human anatomy, is any of the channels of a branching complex sinus network...

toga, in the typical style of wearing it Sinus (anatomy), a sac or cavity in any organ or tissue Paranasal sinuses, air cavities in the cranial bones, especially...

The pyramid-shaped maxillary sinus (or antrum of Highmore) is the largest of the paranasal sinuses, located in the maxilla. It drains into the middle...

venous sinuses Transverse sinus Confluence of sinuses Marginal sinus Occipital sinus Petrosquamous sinus Sigmoid sinus Superior sagittal sinus Inferior...