sinus | ||
1. | [ noun ] (anatomy,zoology) any of various air-filled cavities especially in the bones of the skull | |
Related terms: | cavity frontal_sinus paranasal_sinus maxillary_sinus ethmoid_sinus ethmoidal_sinus | |
2. | [ noun ] (anatomy,zoology) an abnormal passage leading from a suppurating cavity to the body surface | |
Synonyms: | fistula | |
Related terms: | passage | |
3. | [ noun ] (anatomy,zoology) a wide channel containing blood; does not have the coating of an ordinary blood vessel | |
Synonyms: | venous_sinus | |
Related terms: | duct sigmoid_sinus coronary_sinus straight_sinus transverse_sinus cavernous_sinus | |
Similar spelling: |
sinuous Sims Sines Simms Simes Simas Siems Simoes |