growth-promoting substance

См. также в других словарях:

• pantothenic acid — /pan teuh then ik, pan /, Biochem. a hydroxy acid, C9H17O5N, found in plant and animal tissues, rice, bran, etc., that is part of the B complex of vitamins and is essential for cell growth. [1930 35; < Gk pántothen from all quarters (panto PANTO… …   Universalium

• riboflavin — growth promoting substance known as vitamin B2, 1935, from Ger. Riboflavin (1935), from comb. form of RIBOSE (Cf. ribose) (q.v.) + flavin, from L. flavus yellow (see BLUE (Cf. blue)); so called from its color. Also sometimes known as lactoflavine …   Etymology dictionary

• hormone — hormonal, hormonic /hawr mon ik, moh nik/, adj. /hawr mohn/, n. 1. Biochem. any of various internally secreted compounds, as insulin or thyroxine, formed in endocrine glands, that affect the functions of specifically receptive organs or tissues… …   Universalium

• endocrine system, human — ▪ anatomy Introduction  group of ductless glands (gland) that regulate body processes by secreting chemical substances called hormones (hormone). Hormones act on nearby tissues or are carried in the bloodstream to act on specific target organs… …   Universalium

• human embryology — ▪ biology Introduction       the process encompassing the period from the formation of an embryo, through the development of a fetus, to birth.       The human body, like that of most animals, develops from a single cell produced by the union of… …   Universalium

• Bisphenol A — Bisphenol A IUPAC name …   Wikipedia

• Life Sciences — ▪ 2009 Introduction Zoology       In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …   Universalium

• bone — /bohn/, n., v., boned, boning, adv. n. 1. Anat., Zool. a. one of the structures composing the skeleton of a vertebrate. b. the hard connective tissue forming the substance of the skeleton of most vertebrates, composed of a collagen rich organic… …   Universalium

• Bône — /bohn/, n. former name of Annaba. * * * I Rigid connective tissue of vertebrates, consisting of cells embedded in a hard matrix. Bones serve as the body s supporting framework, provide muscle attachment points for movement, protect the internal… …   Universalium

• Thimann, Kenneth Vivian — ▪ 1998       British born plant physiologist (b. Aug. 5, 1904, Ashford, Kent, Eng. d. Jan. 15, 1997, Haverford, Pa.), isolated and purified the plant hormone auxin and identified it as a chemical messenger with principal roles in regulating plant …   Universalium

• skin disease — ▪ pathology Introduction  any of the diseases or disorders that affect the human skin. They have a wide range of causes. General features       Although most diseases affecting the skin originate in the layers of the skin, such abnormalities are… …   Universalium