Cross Section Of An Artery

Cross section of artery and vein.
Cross section of an artery. The exception the pulmonary artery carries oxygen depleted blood to the lungs for oxygenation and removal of excess carbon dioxide see. Most arteries carry oxygenated blood. Arteries and veins have the same layers of tissues in their walls but the proportions of these layers differ.
Take a look at this cross section through an elastic artery and identify the three main layers tunica intima tunica media and tunica adventitia. Arteries have smaller lumens than veins a characteristic that helps to maintain the pressure of blood moving through the system. Artery plural arteries from greek ἀρτηρία artēria meaning windpipe artery is a blood vessel that takes blood away from the human heart to all parts of the body tissues lungs brain etc.
Artery in human physiology any of the vessels that with one exception carry oxygenated blood and nourishment from the heart to the tissues of the body. Study the causes and treatments of heart disease. These arteries that receive blood directly from the heart the aorta and the pulmonary artery.
Lining the core of each is a thin layer of endothelium and covering each is a sheath of connective tissue. The two exceptions are the pulmonary and the umbilical arteries which carry deoxygenated blood to the organs that oxygenate it lungs and placenta. Together their thicker walls and smaller diameters give arterial lumens a more rounded appearance in cross section than the lumens of veins.
Cross section heart cross section nerve cross section pf vein and artery cross section pf vein and artery diagram cross section pf vein and artery picture human. Cross section through a vein capillaries.