Biology » The Endocrine System » Types of Hormones

Summarizing Types of Hormones

Summary

There are three basic types of hormones: lipid-derived, amino acid-derived, and peptide. Lipid-derived hormones are structurally similar to cholesterol and include steroid hormones such as estradiol and testosterone. Amino acid-derived hormones are relatively small molecules and include the adrenal hormones epinephrine and norepinephrine. Peptide hormones are polypeptide chains or proteins and include the pituitary hormones, antidiuretic hormone (vasopressin), and oxytocin.

Glossary

amino acid-derived hormone

hormone derived from amino acids

lipid-derived hormone

hormone derived mostly from cholesterol

peptide hormone

hormone composed of a polypeptide chain


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