What tissue does an artery have?

What tissue does an artery have?

What tissue does an artery have?

Each artery is a muscular tube lined by smooth tissue and has three layers: The intima, the inner layer lined by a smooth tissue called endothelium. The media, a layer of muscle that lets arteries handle the high pressures from the heart. The adventitia, connective tissue anchoring arteries to nearby tissues.

How many layers of tissue do the walls of the blood vessels have?

three layers
The blood vessel wall has three layers: intima, media and adventitia. The intima consists of endothelium and subendothelial connective tissue and is separated from the media by the elastic lamina interna. Endothelial cells form a continuous monolayer lining all blood vessels.

Where are your main arteries located?

The aorta is the largest artery in the body that exits the left ventricle of the heart. Main branches from the aorta include the brachiocephalic artery, left carotid artery, and the left subclavian artery.

What are the three layers of the artery wall?

The artery walls consist of three layers: Tunica Adventitia: This is the strong outer covering of arteries and veins which consists of connective tissues, collagen, and elastic fibres. Tunica Media: This is the middle layer and consists of smooth muscle and elastic fibres. This layer is thicker in arteries than veins.

What are the two types of arteries in the body?

There are two main types of arteries found in the body: (1) the elastic arteries, and (2) the muscular arteries. Muscular arteries include the anatomically named arteries like the brachial artery, the radial artery, and the femoral artery, for example.

What makes up the outer covering of arteries and veins?

Tunica Adventitia (Externa) – the strong outer covering of arteries and veins. It is composed of connective tissue as well as collagen and elastic fibers. These fibers allow the arteries and veins to stretch to prevent over expansion due to the pressure that is exerted on the walls by blood flow.

How are smooth muscle cells arranged in elastic arteries?

The pulmonary arteries, the aorta, and its branches together comprise the body’s system of elastic arteries. In these large arteries, the amount of elastic tissue is considerable and the smooth muscle fiber cells are arranged in 5 to 7 layers in both circular and longitudinal directions.

What are the major arteries?

Major arteries. By definition, an artery is a vessel that conducts blood from the heart to the periphery. All arteries carry oxygenated blood–except for the pulmonary artery. The largest artery in the body is the aorta and it is divided into four parts: ascending aorta, aortic arch, thoracic aorta, and abdominal aorta.

What is the function of the arteries in the heart?

Arteries and veins are the part of circulatory system. The function of the arteries is to carry oxygenated blood from the heart to the rest of the body with exception to pulmonary and umbilical arteries which carry deoxygenated blood from the heart to the lungs.

What is the structure of an artery?

Structure of Arteries. Arteries contain a high percentage of a special type of muscle, called smooth muscle, that can be controlled by hormones and special signals from the nervous system. The outer layer of an artery is made of collagen fibers. The middle layer has smooth muscle and elastic fibers.

What are the characteristics of arteries?

Characteristic Features of Arteries: Arteries are thick-walled, being uniformly thicker than the accompanying veins, except for the arteries within the cranium and vertebral canal where these are thin. Their lumen is smaller than that of the accompanying veins, Arteries have no valves.