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Sinus
/ˈsaɪnəs/
A pouch or cavity in any organ or tissue, especially the paranasal sinus.
📖 Definitions of "Sinus"
noun
- 1
A pouch or cavity in any organ or tissue, especially the paranasal sinus.
- 2
A channel for transmitting venous blood.
- 3
A notch or depression between two lobes or teeth in the margin of an organ.
- 4
An abnormal cavity or passage such as a fistula, caused by the destruction of tissue.
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