Examlex
Many primate societies are complexly organized, enabling their members to form alliances, including by:
ABO Antigens
Specific markers found on the surface of red blood cells that determine a person's blood group in the ABO blood group system.
+Rh Antigen
A protein present on the surface of red blood cells that denotes the Rh+ blood group, playing a critical role in blood transfusion compatibility.
Agglutination
A reaction in which particles, such as pathogens or red blood cells, clump together, often due to an immune response.
Blood-Typing Chart
A blood-typing chart is a tool used to identify an individual's blood type based on the presence or absence of certain antigens on the surface of red blood cells.
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