1. Control of the rate or manner in which a process progresses or a product is formed. 2. In experimental embryology, the power of a pregastrula embryo to continue approximately normal development after a part or parts have been manipulated or destroyed. [L. regula, a rule]
- enzyme r. control of the rate of a reaction catalyzed by an enzyme by some effector ( E.G., inhibitors or activators) or by alteration of some condition ( E.G., pH or ionic strength).
- gene r. control of protein synthesis by means of activation or inhibition of that protein synthesis.
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reg·u·la·tion .reg-yə-'lā-shən, .reg-ə-'lā- n
1) the act of regulating also the resulting state or condition
2 a) the process of redistributing material (as in an embryo) to restore a damaged or lost part independent of new tissue growth compare REGENERATION (2)
b) the mechanism by which an early embryo maintains normal development
3) the control of the kind and rate of cellular processes by controlling the activity of individual genes
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reg·u·la·tion (reg″u-laґshən) [L. regula rule] 1. the act of adjusting or state of being adjusted to a certain standard. 2. in biology, the adaptation of form or behavior of an organism to changed conditions. 3. the power to form a whole embryo from stages before the gastrula.Medical dictionary. 2011.