prehormone


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Related to prehormone: prohormone

prohormone

 [pro-hor´mōn]
a precursor of a hormone, such as a polypeptide that is cleaved to form a shorter polypeptide hormone or a steroid that is converted to an active hormone by peripheral metabolism. Called also prehormone.

pre·hor·mone

(prē-hōr'mōn),
A glandular secretory product, having little or no inherent biologic potency, that is converted peripherally to an active hormone. Compare: prohormone (1).

pre·hor·mone

(prē-hōr'mōn)
A glandular secretory product, having little or no inherent biologic potency, which is converted peripherally to an active hormone.
Compare: prohormone, bioregulator

pre·hor·mone

(prē-hōr'mōn)
A glandular secretory product, having little or no inherent biologic potency, which is converted peripherally to an active hormone.
Compare: prohormone
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References in periodicals archive ?
Role of dehydroepiandrosterone sulfate as a prehormone for ovarian steroidogenesis.
Through a cascade of events, vitamin D transforms into a compound, called a prehormone, that circulates in blood and then is converted locally, as needed, into 1,25-D.
[T.sub.4] functions as a prehormone for [T.sub.3], which is the main active hormone.
Although androgenic (from the Greek, "creates men"), testosterone is best described as a prehormone. It offers itself on the altar of Differentiation to be converted either to estradiol and feminize women (via the enzyme aromatase, CYP19A1)--or conversely, by 5[alpha]-R to DHT, to the most powerfully masculinizing hormone.
How could Nature's perfect food be void of the prehormone needed for infant growth and development?
Microbial immunologist Robert Modlin and colleagues found that macrophages (a type of white blood cell) increase their production of VDRs and an enzyme that converts the vitamin D prehormone into 1,25-D when the cells detect a pathogen.