Examlex
A student has to take 9 more courses before he can graduate. If none of the courses are prerequisite to others, how many groups of four courses can he select for the next semester?
Hematocrit
A blood test that measures the percentage of red blood cells in a given volume of whole blood.
Meaning
The significance, definition, or explanation of a word, phrase, symbol, or action.
Cell-Mediated Immunity
An immune response that does not involve antibodies but rather the activation of phagocytes, antigen-specific cytotoxic T-lymphocytes, and the release of various cytokines in response to an antigen.
T Lymphocytes
A type of white blood cell crucial for the immune system's response to infected or cancerous cells.
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