See Also: ponasterone(dictionary)

ponasterone (iou)



ponasterone noun. M20.
[from mod. Latin Podocarpus nakaii (see below), formed as PODOCARP: see -STERONE.]
Biochemistry. Any of a group of steroids extracted from various plants, esp. the Japanese podocarp Podocarpus nakaii, which act as phytoecdysones in various arthropods.