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Noun: sinus  sInus
  1. An abnormal passage leading from a suppurating cavity to the body surface
    - fistula
     
  2. Any of various air-filled cavities especially in the bones of the skull
     
  3. A wide channel containing blood; does not have the coating of an ordinary blood vessel
    - venous sinus

Derived forms: sinuses

Type of: bodily cavity, canal, cavity, cavum, channel, duct, epithelial duct, passage, passageway

Encyclopedia: Sinus

Nearest

Sinornis
Sino-Tibetan
Sino-Tibetan language
sinter
sintered
sinuate
sinuosity
sinuous
sinuously
sinuousness
sinus
sinus cavernosus
sinus coronarius
sinus ethmoidales
sinus headache
sinus paranasales
sinus rectus
sinus sigmoideus
sinus transversus
sinus venosus sclerae
sinusitis