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Definition of simus

"simus" is probably misspelled. Trying sinus instead Definition of sinus

1. sinus [ n ] any of various air-filled cavities especially in the bones of the skull

Synonyms sinus Related Terms cavity frontal_sinus paranasal_sinus maxillary_sinus ethmoid_sinus ethmoidal_sinus

2. sinus [ n ] an abnormal passage leading from a suppurating cavity to the body surface

Synonyms sinus fistula Related Terms passage

3. sinus [ n ] a wide channel containing blood; does not have the coating of an ordinary blood vessel

Synonyms sinus venous_sinus Related Terms duct sigmoid_sinus coronary_sinus straight_sinus transverse_sinus cavernous_sinus

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