作者: William F. Denning

This book was written to be intelligible to general readers while also containing facts and figures useful to amateur astronomers at the time of its first printing in 1891. With the aid of many illus …

Myostatin, also known as growth and differentiation factor-8, is a member of the TGF-b family member and is mainly produced by skeletal muscle. Myostatin circulates in the serum in a latent form, whe …