Blood group systems: Difference between revisions
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'''Blood group''' (or '''blood type''') is a term used to clasify blood based on the presence or absence of a specific antigen on red blood cells surface. According to the International Society of Blood Transfusion, there are about 30 human blood group systems recognized so far<ref>http://ibgrl.blood.co.uk/isbt%20pages/isbt%20terminology%20pages/table%20of%20blood%20group%20systems.htm, Table of blood group systems, ISBT (August 2008). Retrieved on 15 November 2010.</ref>.<br> | '''Blood group''' (or '''blood type''') is a term used to clasify blood based on the presence or absence of a specific antigen on red blood cells surface. According to the International Society of Blood Transfusion, there are about 30 human blood group systems recognized so far<ref>http://ibgrl.blood.co.uk/isbt%20pages/isbt%20terminology%20pages/table%20of%20blood%20group%20systems.htm, Table of blood group systems, ISBT (August 2008). Retrieved on 15 November 2010.</ref>.<br> | ||
== ABO blood group system<br> == | == ABO blood group system<br> == | ||
The most common blood group system being used nowadays is ABO blood group system. In this system, there are 4 classification of blood types. They are group A, B, AB and O. These groups are classified according to the presence or absence of ABO antigen. <br> | The most common blood group system being used nowadays is ABO blood group system. In this system, there are 4 classification of blood types. They are group A, B, AB and O. These groups are classified according to the presence or absence of ABO antigen. <br> | ||
<br> | |||
{| cellspacing="1" cellpadding="1" border="1" style="width: 295px; height: 61px;" | |||
|- | |||
| [['''Phenotype''']]<br> | |||
| A<br> | |||
| B<br> | |||
| AB<br> | |||
| O<br> | |||
|- | |||
| [['''Genotype''']]<br> | |||
| AA or AO<br> | |||
| BB or BO<br> | |||
| AB<br> | |||
| OO<br> | |||
|} | |||
<br> | |||
== Rh blood group system<br> == | == Rh blood group system<br> == | ||
Revision as of 17:57, 15 November 2010
Blood group (or blood type) is a term used to clasify blood based on the presence or absence of a specific antigen on red blood cells surface. According to the International Society of Blood Transfusion, there are about 30 human blood group systems recognized so far[1].
ABO blood group system
The most common blood group system being used nowadays is ABO blood group system. In this system, there are 4 classification of blood types. They are group A, B, AB and O. These groups are classified according to the presence or absence of ABO antigen.
| '''Phenotype''' |
A |
B |
AB |
O |
| '''Genotype''' |
AA or AO |
BB or BO |
AB |
OO |
Rh blood group system
Rh blood group system is the second most important system in determining blood groups. It is based on the presence or absence of D antigen on the red blood cells surface.
See also
References
- ↑ http://ibgrl.blood.co.uk/isbt%20pages/isbt%20terminology%20pages/table%20of%20blood%20group%20systems.htm, Table of blood group systems, ISBT (August 2008). Retrieved on 15 November 2010.
External links