In this article we will discuss about the determination of blood group. Blood type (also called blood group) is a classification of blood based on the presence or absence of inherited antigenic substances (antigens) on the surface of red blood cells. If the red blood cell had only "A" antigen on it, that blood was called type A. If the [...]
The following points highlight the three main methods which should be adopted during bleeding time. The methods are: 1. Finger Tip Method 2. Duke's Method 3. Ivy’s Method. Bleeding time is duration of bleeding form a standard puncture wound on the skin which is a measure of the function of the platelets as well as integrity of the vessel wall. [...]
In this article we will discuss about the mechanisms and stages of blood clotting. Mechanism of Blood Clotting: Blood Clotting is one of three mechanisms that reduce the loss of blood from broken blood vessels. The three Mechanisms are: i. Vascular Spasm: The smooth muscle in blood vessel walls contracts immediately the blood vessel is broken. This response reduces blood [...]