sinus

Introduction

• A cavity or hollow space in bone or other tissue
• A channel for passage of blood or lymph without the usual vessel lining.
• A fistula or tract leading to an abscess.

More general terms

• anatomic structure

More specific terms

• anal sinuses (Morgagni crypts)
• aortic sinus (of Valsalva)
• coronary sinus
• dural sinus
• longitudinal vertebral venous sinus
• oblique sinus of pericardium
• paranasal sinus
• piriform recess/fossa/sinus
• renal sinus (sinus of kidney)
• sinus node; sinoatrial node; SA node
• sinus venarum cavarum (sinus of the vena cava)
• sinus venosus
• sinus venosus sclerae (canal of Schlemm)
• tarsal sinus/canal/tunnel
• transverse sinus of pericardium (Theile canal)