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nouna wide channel containing blood; does not have the coating of an ordinary blood vessel
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nounan abnormal passage leading from a suppurating cavity to the body surface
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nounany of various air-filled cavities especially in the bones of the skulltype of:
Definition that contains sinus
- ac an electric current that reverses direction sinusoidally
- cavity (anatomy) a natural hollow or sinus within the body
- erectile filled with vascular sinuses and capable of becoming distended and rigid as the result of being filled with blood
- cavernous filled with vascular sinuses and capable of becoming distended and rigid as the result of being filled with blood
- sinusitis inflammation of one of the paranasal sinuses
- cavum (anatomy) a natural hollow or sinus within the body
- cavernous sinus either of a pair of large venous sinuses in the cranial cavity
- emissary vein one of several connecting veins in the scalp and head that drain blood from sinuses in the dura mater to veins outside the skull
- straight sinus an unpaired sinus of the dura mater
- sigmoid sinus an S-shaped dural sinus on the temporal and occipital bones