Immunology. a lymphokine protein, secreted by T cells in response to antigen and , that stimulates the proliferation of T cells.
Pharmacology. a form of this protein produced by genetic engineering and used experimentally in immunotherapy.
A lymphokine that is released by helper T cells in response to an antigen and interleukin-1 and stimulates the proliferation of helper T cells.
noun, Immunology. 1. a lymphokine protein, secreted by T cells, that participates in the regulation of blood-cell production. Abbreviation: IL-3. interleukin-3 n. Abbr. IL-3 A lymphokine, released by helper T cells in response to an antigen or mitogen, that stimulates the growth of blood stem cells and lymphoid cells such as macrophages and mast cells.
[lev-uh l] /ˈlɛv əl/ adjective 1. having no part higher than another; having a flat or even surface. 2. being in a plane parallel to the plane of the horizon; horizontal. 3. equal, as one thing with another or two or more things with one another. 4. even, equable, or uniform. 5. filled to a […]
[lahy-brer-ee, -bruh-ree, -bree] /ˈlaɪˌbrɛr i, -brə ri, -bri/ noun, plural libraries. 1. a place set apart to contain books, periodicals, and other material for reading, viewing, listening, study, or reference, as a room, set of rooms, or building where books may be read or borrowed. 2. a public body organizing and maintaining such an establishment. […]
noun 1. a system by which one obtains a work for a user by borrowing it from another . 2. a loan made by this system. /ˌɪntəˈlaɪbrərɪ/ noun 1. a system by which libraries borrow publications from other libraries 2. noun a system of book borrowing set up between or among libraries for the use […]