The following points highlight the six major cardiac disorders that occurs in human body. The disorders are: 1. Heart Block 2. Ventricular Premature Beat 3. Ventricular Paroxysmal Tachycardia 4. Ventricular Fibrillation 5. Ischaemic Heart Disease 6. Myocardial Infarction. Cardiac Disorder # 1. Heart Block: Heart block is the condition when conduction of impulse from pacemaker area through the conducting tissue [...]
Histological characteristics of the different vascular systems are described below: 1. Arteries 2. Arterioles 3. Capillaries 4. Veins 5. Blood Vessels of Blood Vessels. 1. Arteries: In the arteries, all the layers (Fig. 7.14) are present. The two outer layers are very thick, because it has to withstand considerable blood pressure. The tunica media consists chiefly of circularly arranged smooth [...]
The peculiarities that have been encountered in the splenic circulation are the presence of both 'open' and 'closed' circulation. The pulp acts as filter for separating R.B.C. from plasma. Phagocytes of the pulp remove the foreign particles from the blood. Pulp also acts as blood reservoir yet its function as such in human beings is not clear but in dogs [...]