arteriole
arteriole A small branch of an artery that leads to a capillary. The oxygenated hemoglobin (oxyhemoglobin) makes the blood in arterioles (and arteries) look bright red.
arteriole A small branch of an artery that leads to a capillary. The oxygenated hemoglobin (oxyhemoglobin) makes the blood in arterioles (and arteries) look bright red.