MONOCHROMATOPSIA
\mˌɒnə͡ʊkɹˌə͡ʊmɐtˈɒpsi͡ə], \mˌɒnəʊkɹˌəʊmɐtˈɒpsiə], \m_ˌɒ_n_əʊ_k_ɹ_ˌəʊ_m_ɐ_t_ˈɒ_p_s_iə]\
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Defects of color vision are mainly hereditary traits but can be secondary to acquired or developmental abnormalities in the CONES (RETINA). Severity of hereditary defects of color vision depends on the degree of mutation of the OPSIN genes (on X CHROMOSOME and CHROMOSOME 3, HUMAN) that code the photopigments for red, green and blue.
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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.-.