Possibly Extinct (species)-Known from only historical occurrences, but may nevertheless still be extant; further searching needed Presumed Eliminated (Historic, ecological communities)-Presumed eliminated throughout its range, with no or virtually no likelihood that it will be rediscovered, but with the potential for restoration, for example, American Chestnut (Forest)
Gentle or rolling hills OR Off-road H Hilly SP Self-paced LF Leader at front VF Volunteer desired for sub-leader at front LL Leaderless VH Very hilly: good climbing skills needed LS Leader rides sweep VS Volunteer desired for sweep sub-leader
A hormone secreted by the anterior pituitary gland, which stimulates growth of the body It also has an effect on the metabolism of fat, carbohydrate, and protein Glioma: Usually used as a term to include all primary intrinsic neoplasms of the brain and spinal cord Healthy worker effect: Workers usually exhibit lower overall death rates than the general population, due to the fact that the severely ill and disabled are ordinarily excluded from employment Death rates in the general population may be inappropriate for comparison if this effect is not taken into account Hematopoietic: Pertaining to or effecting the formation of blood cells
Growth hormone SYN: Somatotropin (so-ma-toe-TROH-pin) A hormone released by the anterior pituitary Some of the GH causes the liver to produce insulin-like growth factor (IGF) This GH is then neutralized by the liver GH release is inhibited by the hormone somatostatin GH release is blunted in obesity and old age The GH/insulin ratio is an important factor in obesity