Definition of CD3
1. Noun. (electronics) a 80-mm (3-inch) CD (compact disc) ¹
2. Noun. (music) a 3-inch CD single ¹
¹ Source: wiktionary.com
Medical Definition of CD3
1.
A complex of at least five membrane-bound polypeptides in mature T-lymphocytes that are non-covalently associated with one another and with the T-cell receptor (receptors, antigen, T-cell). The CD3 complex includes the gamma, delta, epsilon, zeta, and eta chains (subunits). When antigen binds to the T-cell receptor, the CD3 complex transduces the activating signals to the cytoplasm of the T-cell. The CD3 gamma and delta chains (subunits) are separate from and not related to the gamma/delta chains of the T-cell receptor (receptors, antigen, T-cell, gamma-delta).
(12 Dec 1998)
Lexicographical Neighbors of CD3
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