Ecdysterone,illustration

Numéro d’image : 12897027
Ecdysterone,illustration
Ecdysterone,molecular models. Computer illustration of the structure of ecdysterone. Ecdysterone (20-hydroxyecdysone or 20E) is a steroid hormone which controls moulting (ecdysis) and development (metamorphosis) in arthropods (e.g. crustaceans). It is synthesised from cholesterol,and can also occur in plants such as spinach. It improves physical performance and muscle mass in humans,which is why it is commonly used as an ingredient in nutritional supplements taken by bodybuilders. It has a similar structure to testosterone,another steroid hormone synthesised from cholesterol. Atoms are represented as spheres and are colour-coded: carbon (grey),hydrogen (white),and oxygen (red).
Licence : Libre de droits
Crédit: Science Photo Library / Gaertner, Juan
Model Release : Non requis
Property Release : Non requis
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