LUMINOSITY
\lˌuːmɪnˈɒsɪti], \lˌuːmɪnˈɒsɪti], \l_ˌuː_m_ɪ_n_ˈɒ_s_ɪ_t_i]\
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Luminousness.
By William Dodge Lewis, Edgar Arthur Singer
By James Champlin Fernald
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Endowed with the property of producing light. In physiological optics the brightness factor in different colors. The distribution of luminosity in the spectral colors change with the amount of illumination. See Purkinje phenomenon under Purkinje.
By Smith Ely Jelliffe
Word of the day
Proto Oncogene Proteins c erbB 2
- cell surface protein-tyrosine kinase that is found to be overexpressed in significant number adenocarcinomas. It has extensive homology can heterodimerize EGF EPIDERMAL GROWTH FACTOR), 3 receptor (RECEPTOR, 3) and the 4 receptor. Activation of erbB-2 receptor occurs during heterodimer formation with a ligand-bound erbB family members. EC 2.7.11.-.