Abo blood group practical pdf

Rh blood group system biology fsc lecture in urdu hindi. Blood group test experiment harib diagnostic lab welcome to harib diagnostic lab we are providing diagnostic facilities hematology micro bilogy bio chemistry elisa a blood type also called a. Pdf blood transfusion requires a mandatory crossmatch test to examine the compatibility between donor and recipient blood groups. It was in 1901, that austrianamerican immunologist and pathologist karl landsteiner discovered human blood groups. Two groups of ag can cause transfusion reactions more. Landsteiner found that there are not if the patients serum contains antia1 antibody to common type a red cell in subgroup a patients.

Blood transfusion was made much safer by the discovery of blood groups, as blood of the same abo group could be chosen for each patient. Blood physiology lecture 3 blood types and blood transfusion. Individuals have different types and combinations of these molecules. According to the ab0 blood group system there are four different kinds of blood groups. Abo blood group system abh oligosaccharide antigens, antia and antib, a and b glycosyltransferases, and abo genes find, read and. Rh rhesus factor is found on the rbcs surface in most people. The abo blood group of a person depends on whether his red blood cells contain one, both, or neither of the 2 blood group antigens a and b, and therefore the human blood groups are differentiated as type a, type b, type ab, or o as mentioned earlier. Blood group testing an experiment to determine the blood group. The purpose of preparation of this guidance manual is to strengthen the blood transfusion services by correct grouping of red blood cells and. Guidance manual abo and rh blood grouping document id no. Blood typing is done prior to a blood transfusion or when classifying a persons blood for donation. It is now realized that human red cells contain far more inheritable blood group antigens than was thought at one time fifteen well defined systems of antigens are. Test your understanding of different blood types and the blood group system using an interactive quizprintable worksheet combo.

Here is the chart which predicts the different types of blood groups along with its rh factor. The human abo blood groups were discovered by austrianborn american biologist karl landsteiner in 1901. There are four major blood groups and eight different blood types. In a healthy person, approximately 5 liters 12 pints of blood circulates throughout their body. Apart from abo and rhesus system, many other types of antigens have been noticed on the red cell membranes. Blood grouping experiment amrita university youtube. Like a and b, this is also an antigen and those who have it are. According to the abo blood grouping system discovered by karl. Blood group test experiment harib diagnostic lab youtube. There are 22 blood group systems, including the abo, rh, and kell blood groups which contain antigens that can provoke. International society of blood transfusion has recently recognized 33 blood group systems.