Canadian Medical Guide > Chemicals and Drugs > Polycyclic Hydrocarbons > Steroids > Norsteroids Terms and Definitions

Norsteroids

Medical Definition:

Steroids which have undergone contraction in ring size or reduction in side chains.

Norsteroids Categories.

	Norandrostanes - Androstanes in which ring contractions have occurred or which are lacking carbon-18. Compounds with any degree of unsaturation are included. Androstanes which are lacking carbon-19 are ESTRANES.
	Norpregnanes - Pregnanes which have undergone ring contractions or are lacking carbon-18 or carbon-19. Unsaturation in the steroid ring system is not included.

CANADIAN MEDICAL GUIDE

Thank you for visiting Canadian Medical Guide .com