Progesterone. Molecular model of the steroid hormone progesterone (C21.H30.O2), involved in the female menstrual cycle, pregnancy and embryogenesis. It is an endogenous hormone, produced by the body. Atoms are represented as spheres and are colour-coded: carbon (grey), hydrogen (white) and oxygen (red). Illustration. | |
Licence : | Libre de droits |
Crédit: | Science Photo Library / Laguna Design |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |