<endocrinology> Family of steroid hormones found in insects, crustaceans and plants. In insects, _ ecdysone stimulates moulting. The steadily maturing character of the moults is affected by steadily decreasing levels of juvenile hormone. _ ecdysone (ecdysterone) has a slightly different structure and is also found widely. Phytoecdysones are synthesised by some plants.

This entry appears with permission from the Dictionary of Cell and Molecular Biology

(11 Mar 2008)