Hormones: Steroid & Peptide, Specialized Topics
Last Updated: December 6, 2025 HormoneStructureFunctionsSkeletal Muscle Hormones (Myokines): more information included in Secreted Factors: Tissue “Kines” pageIrisin22kDa proteolytic fragment of the transmembrane protein FNDC5 (fibronectin type III domain-containing...
Biochemistry Topics, Lipid Metabolism
Last Updated: January 28, 2026 Introduction to Cholesterol Cholesterol is an extremely important biological molecule that has roles in membrane structure as well as being a precursor for the synthesis of the steroid hormones, and the bile acids....
Hormones: Steroid & Peptide, Specialized Topics
Last Updated: October 7, 2025 Introduction to the Steroid Hormones The steroid hormones are all derived from cholesterol. Moreover, with the exception of vitamin D, they all contain the same cyclopentanophenanthrene ring and atomic numbering system as...
