\ɹˈɛtɪn ˈe͡ɪ], \ɹˈɛtɪn ˈeɪ], \ɹ_ˈɛ_t_ɪ_n ˈeɪ]\
Definitions of RETIN A
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An important regulator of gene expression, particularly during growth and development and in neoplasms. Retinoic acid derived from maternal vitamin A is essential for normal gene expression during embryonic development and either a deficiency or an excess can be teratogenic. It is also a topical dermatologic agent which is used in the treatment of psoriasis, acne vulgaris, and several other skin diseases. It has also been approved for use in promyelocytic leukemia.
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Marcy, Randolph B.
- (1812-1887), served Mexican War, and brevetted major-general for services during Civil War. From 1869 to 1881 he was inspector-general. published "Exploration of the Red River" in 1852.