Anterior / Right aortic sinus-
• Right coronary artery arise
Posterior aortic sinus-
1. Right posterior aortic sinus / Posterior aortic sinus - Torus aorticus
2. Left posterior aortic sinus / Left aortic sinus - Left coronary artery arise
NOTE :
1. Right coronary artery arise from anterior coronary sinus.
2. Left coronary artery arise from left posterior aortic sinus.
|
Sinus |
Description |
|
Aortic sinus |
• It’s a dilation or widening of ascending aorta located just above aortic valve.
• Right & left coronary arteries are originate from aortic sinus, and supplying blood to heart muscle. |
|
Coronary sinus |
It’s a vein that collects deoxygenated blood from the heart muscle and delivers it to the right atrium of the heart. |
|
Carotid sinus |
A small dilation in the carotid artery that contains baroreceptors (sense pressure changes), helping regulate blood pressure by detecting changes in stretch. |
|
Cavernous sinus |
It’s a venous sinus in the skull, located on either side of the pituitary gland, housing important structures and playing a role in draining blood from the brain. |