The central vessel Section of the aorta The aorta can be roughly divided into the following sections: The first section, which originates from the left ventricle, is ascending and is called the ascending aorta. It lies within the pericardium and has two branches – the two coronary arteries that supply the heart muscle. The aortic … Aorta: Structure and Function
The cervical vertebrae are different from the other vertebrae in the human body: because this area of the spine must meet special requirements, the design of some cervical vertebrae is also special – among the vertebrae of the cervical spine are truly unique. The cervical spine is very mobile, but also sensitive. External influences can … Cervical Vertebrae: Structure, Function & Diseases
Sometimes fluid or air buildup can occur in the lungs, affecting breathing and heart function. In these cases, health is at risk and a pleural drain must be placed to relieve pressure on the lungs. What is pleural drainage? Drains are basically to remove air or fluid collections from the body through a tube into … Pleural Drainage: Treatment, Effects & Risks
Fibroblasts are anabolic cells. They produce all the fibers and molecular components of connective tissue, giving it its structure and strength. What are fibroblasts? Fibroblasts are connective tissue cells in the strict sense. They are motile and divisible and produce all the important components of intercellular substance. This is the basic structure in tissue into … Fibroblasts: Structure, Function & Diseases
The border cord is a concatenation of nerve cell body clusters that is part of the sympathetic nervous system. The individual portions of the border cord send sympathetic nerves to the neck, chest, sacrum, and abdomen. Like all other nerve branches, border cord-associated nerve branches may be affected by paralysis. What is the border cord? … Boundary Cord: Structure, Function & Diseases
The heart consists of a right and a left half and is divided into four chambers. The cardiac septum, also called the septum cordis, runs longitudinally between the two halves of the heart. The septum separates the four chambers of the heart into left and right atria, and left and right ventricles. The terms cardiac … Ventricle: Structure, Function & Diseases
The heart is composed of four cavities, two ventricles and two atria. The atrium is also called the cardiac atrium or atrium cordis. What is the atrium of the heart? The heart is a hollow muscular organ responsible for supplying blood to the entire body. The human heart is located in the pericardium in the … Atrium of the Heart: Structure, Function & Diseases
A definition for an aortic aneurysm may be as follows: An aortic aneurysm is a bulge in the aorta of various types and locations that can burst and lead to fatal internal bleeding. The following topics include causes, classification, symptoms, and treatment. Aortic aneurysm: causes and forms. Aneurysms are bulges in the arterial vessels that … Aortic Aneurysm: Symptoms, Causes, Treatment
The lingual artery is responsible for supplying blood to the tongue. It passes between the lower muscles of the tongue in a strongly serpentine manner. Colloquially, it is called the lingual artery. The lingual artery comes from the external aorta as a second main trunk next to the facial artery. Along its path, the sublingual … Lingual Artery: Structure, Function & Diseases
The radial artery, together with the ulnar artery, forms the continuation of the brachial artery, which branches into the above two arteries via a bifurcation in the crook of the arm. On its way to the thumb and further fingers, it passes along the radius and forms a series of secondary branches on the forearm, … Radial Artery: Structure, Function & Diseases
The systemic circulation is also called the great circulation. It carries blood through the majority of the body. The other major circulation of the body is the pulmonary circulation, which carries blood to and from the lungs. What is the circulatory system? The main function of the systemic circulation is to supply oxygenated blood to … Body Circulation: Function, Task & Diseases
The term hypoplastic left heart syndrome is used to describe a severely underdeveloped left heart and several other associated severe heart defects in newborns, most commonly involving the mitral and aortic valves. Survival after birth in these children is initially dependent on maintaining the prenatal short circuit between the pulmonary and systemic circulation via the … Hypoplastic Left Heart Syndrome: Causes, Symptoms & Treatment
