1 The phenotype may change constantly throughout the life of an individual because of environmental changes and the physiological and morphological changes associated with aging.
One special group of hormones is the tropic hormones that stimulate the hormone production of other endocrine glands. For example, thyroid-stimulating hormone (TSH) causes growth and increased activity of another endocrine gland, the thyroid, which increases output of thyroid hormones. hormone (from Greek á½ÏÎ¼Î®, impetus) is any member of a class of signaling molecules produced by glands in multicellular organisms that are transported by the circulatory system to target distant organs to regulate physiology and behaviour.
exists and is an alternate of. Merge this question into. Split and merge into it. Answer by Msesay. The hypothalamus releases GnRH (gonadotropin-releasing hormone) which stimulates the anterior pituitary gland to release LH (luteinizing hormone) and FSH (follicle-stimulating hormone).GnRH stimulates the LH burst in response to positive feedback from increasing estrogen levels.xists and is an alternate of. Merge this question into. Split and merge into it. Answer by Msesay. The hypothalamus releases GnRH (gonadotropin-releasing hormone) which stimulates the anterior pituitary gland to release LH (luteinizing hormone) and FSH (follicle-stimulating hormone).