ST Segment Elevation; ST Segment Depression . General Introduction to ST, T, and U wave abnormalities. Basic Concept: the specificity of ST-T and U wave abnormalities is provided more by the clinical circumstances in which the ECG changes are found than by the particular changes themselves. Thus the term, nonspecific ST-T wave abnormalities, is frequently used when the clinical data are not available to correlate with the ECG findings.
lutein â(usually uncountable, plural luteins) ( 1 organic chemistry) A yellow carotenoid pigment, widely distributed in both plants and animals. 2  E161b when used as a food colouring.  xanthophyll.
Definition of LUTEINIZING HORMONE. : a hormone secreted by the anterior lobe of the pituitary gland that in the female stimulates ovulation and the development of corpora lutea and in the male the development of interstitial tissue in the testis. See luteinizing hormone defined for kids.