releasing factors

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re·leas·ing fac·tors (RF),

1. any substance, usually of hypothalamic origin, capable of accelerating the rate of secretion of a given hormone by the anterior pituitary gland;
2. factors required in the termination phase of either RNA biosynthesis or protein biosynthesis. Synonym(s): termination factor
3. colloquial shortened form for the HMG-CoA reductase inhibitors used as antihyperlipidemic agents, whose generic names end with the suffix statin. Synonym(s): statins

re·leas·ing fac·tors

(rĕ-lēs'ing fak'tŏrz)
1. Substances, usually of hypothalamic origin, capable of accelerating the rate of secretion of a given hormone by the anterior pituitary gland.
2. Factors required in the termination phase of either RNA biosynthesis or protein biosynthesis.
Synonym(s): liberins, releasing hormone.

releasing factors

; RFs range of hormones, produced and released into the hypothalamic portal system, triggering release of specific hormones from anterior pituitary (e.g. thyroid hormone RF; growth hormone RF)

releasing factors

hypothalamic hormones that stimulate the secretion of effector hormones in the pituitary, e.g. follicle-stimulating hormone releasing hormone.
References in periodicals archive ?
In a letter to EPA Administrator Scott Pruitt, the senators urged the continued implementation of the RFS as intended by Congress and the release of a strong final rule that would give consumers more choices at the pump, strengthen the economy, and make the country more secure.
The general flow of the nesting structure is shown in Figure 2 and each of the four categories of the RFS components are described below.
Alun Povey collects the award from North Wales RFS chairman Trevor Trevor at Newborough forest
At the 2012 NAB Show, RFS will also feature the new "R-variants" of its PCP, PHP and PVP broadband panel array antennas.
EPA would have to determine that the implementation of the mandate itself would severely harm the economy; it is not enough to determine that implementation of RFS would contribute to such harm;
Waiving the RFS will have a minimal impact on grain prices;
The RFS provisions now being considered would increase the use of renewable fuels to 5 billion gallons either by 2012 (the Senate version) or by 2015 (the House version).
A number of groups and some governors seem to believe that the RFS is a substantial part of the equation when it comes to grain prices, and waiving the program this year or next will ease the impact of the drought on consumers.
Time and again, the RFS has proven to be a major driver of alternative fuels and economic development.
Join the Press Briefing at the RFS Booth on Wednesday, February 17, 2010 from 9am to 11am http://www.
We are pleased that the EPA is considering further reductions to the 2018 biomass-based diesel mandate and corresponding reductions in the broader total RFS mandate in light of new data on renewable fuel costs and supply, NCCR Executive Director David French said.
On the occasion of IBC2009, RFS will unveil two breakthrough products: A new line of filters and combiners plus a range of connectors.