Findings:
- Pyriform
- sinus infection
- Sinus
- urogenital sinus
- sinus node
- Pilonidal Sinus
- sinus tachycardia
- carotid sinus massage
- How do you know if you have a sinus infection?
If you Log in you could create a "pyriform sinus" node. If you don't already have an account, you can register here.