Sinus
- Anal sinuses
- Coronary sinus
- Dural venous sinuses
- Ethmoid sinus
- Frontal sinus
- Maxillary sinus
- Paranasal sinuses
- Sine
- Sines
- Sinoatrial node
- Sinus (Chalcidice)
- Sinus (anatomy)
- Sinus (botany)
- Sinus Flanaticus
- Sinus Magnus
- Sinus Medii
- Sinus Successus
- Sinus rhythm
- Sinus venarum
- Sinus venosus
- Sinusitis
- Sphenoidal sinus