Examlex
Psycholinguists have found that children combine words in ways that adults never would.
Valves
Structures that open and close to control the flow of fluids in one direction, commonly found in the heart and veins of the circulatory system.
Vaccinations
The administration of antigenic material (a vaccine) to stimulate an individual's immune system to develop adaptive immunity to a pathogen.
MHC Class I
Molecules found on the surface of all nucleated cells that present peptide fragments to the immune system, crucial for the recognition of self-cells by T cells.
Donor Kidney
A kidney that has been donated for transplantation, typically to replace a diseased kidney in a recipient.
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