Lymphocyte

**Semantic type:** Cell

**Definition:** White blood cells formed in the body's lymphoid tissue. The nucleus is round or ovoid with coarse, irregularly clumped chromatin while the cytoplasm is typically pale blue with azurophilic (if any) granules. Most lymphocytes can be classified as either T or B (with subpopulations of each); those with characteristics of neither major class are called null cells.

**Synonyms:** - LYMPHOCYTE - Lymph Cell - Lymphocytes - Lymphocytes - lymphocyte