Wiktionary (0.00 / 0 votes) Rate this definition: kaleidoscopic (Adjective). Of, relating to, or produced by a kaleidoscope. kaleidoscopic (Adjective). Brightly coloured and continuously changing in pattern, as if in a kaleidoscope.
The Duffy blood group antigen serves not only as blood group antigen, but also as a receptor for a family of proinflammatory cytokines termed chemokines, and as a receptor for Plasmodium vivax malaria parasites.ndividuals with the Duffy-negative phenotype are resistant to P. vivax invasion, and the molecular mechanism that gives rise to the phenotype Fy(a-b -) in black individuals has been associated with a point mutation - 33TC expressed in homozigosity in the FYB allele [5].
Carcinoembryonic antigen (CEA) test. Introduction. A carcinoembryonic antigen (CEA) test is used to check how well treatment is working in certain types of cancer, particularly colon cancer. Carcinoembryonic antigens are harmful substances (usually proteins) that are produced by some types of cancer.