(lim‵fŏ-poy'ĕt-ĭn )

[lymphopoiet(ic) + -in]

Any growth factor that stimulates lymphocytes to multiply or differentiate.

l. 1 Interleukin-7.

thymic stromal l.A cytokine released by epithelial cells in the skin, gastrointestinal and respiratory tracts after contact with allergens. It promotes a wide array of diseases including asthma, autoimmunity, some cancers, dermatitis, inflammatory bowel disease, and rhinitis.