Pronunciation
- IPA: /ˈsaɪnəs/
sinus (plural sinuses)
- (anatomy) A pouch or cavity in any organ or tissue, especially the paranasal sinus.
- (anatomy) A channel for transmitting venous blood.
- Synonyms: sinusoid
- (botany) A notch or depression between two lobes or teeth in the margin of an organ.
- (pathology) An abnormal cavity or passage such as a fistula, caused by the destruction of tissue.
- A bay of the sea; a recess in the shore.
- French: sinus
- German: Sinus, (paranasal) Nasennebenhöhle
- Italian: seno
- Portuguese: seio
- Russian: па́зуха
- Spanish: seno
- Russian: свищ
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