Example image of eyePlorer eyePlorer map for 'Hormone': Cell (biology) Chemical substance Greek language Metabolism Multicellular organism Plant Plant hormone Animal Gene expression Receptor (biochemistry) Protein Signal transduction Circulatory system Endocrine system Exocrine gland Molecular diffusion Molecule Paracrine signalling Exocytosis Intracellular Membrane protein Protein biosynthesis Downregulation and upregulation Homeostasis Negative feedback Ovary Testicle Thyroid Cell membrane Insulin Peptide hormone Cyclic adenosine monophosphate Cytoplasm Ion channel Phosphorylation Second messenger system Cell nucleus Intracrine Steroid hormone Thyroid hormone DNA sequence Gene Multiprotein complex Concentration Endocrine gland Excretion Globulin Tropic hormone Thyroid-stimulating hormone Ghrelin