Lumen
Artery and vains
The intima
basilar artery.
The lumen is the space within the blood vessel (or within any tubular structure).
The lumen is the space within the blood vessel (or within any tubular structure).
called lumen
The lumen is the inner open space or cavity of a tubular organ, such as a blood vessel or an intestine
The central opening of a vessel is called the lumen. It is the hollow space within the vessel that allows for the passage of fluids, such as blood in blood vessels or sap in plant vessels.
The tubular space within an artery is referred to as the lumen. It is the inner open space where blood flows.
Lumen refers to the inner space within a tubular structure such as a blood vessel or intestine, through which substances pass. It is not a measure of size like red blood cells but rather the open space within the structure. Red blood cells are typically around 6-8 micrometers in diameter, much larger than the lumen of small blood vessels.
The top space or atrium receives the blood from the veins.The bottom spaces, the ventricles,pump blood out of the heart into the arteries.
The top space or atrium receives the blood from the veins.The bottom spaces, the ventricles,pump blood out of the heart into the arteries.