prohormone(redirected from Pro-hormone)
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1. An intraglandular precursor of a hormone; for example, proinsulin. Compare: prehormone.
2. Obsolete term formerly used to designate a substance developed in serum that antagonizes a specific antihormone, and thus enhances the action of the corresponding hormone.
prohormone/pro·hor·mone/ (-hor´mōn) a hormone preprotein; a biosynthetic, usually intraglandular, hormone precursor, such as proinsulin.
An inactive compound that is converted by enzymes into a biologically active hormone.
Intraglandular precursor of a hormone; e.g., proinsulin.
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 metabolism.