title: Polypeptide hormones inside cells.
mesh_terms: D002463:Cell Membrane Permeability; D006728:Hormones / Q000378:metabolism*; D006801:Humans; D007328:Insulin / Q000378:metabolism; D010455:Peptides / Q000378:metabolism; D011956:Receptors, Cell Surface / Q000378:metabolism
chemical_list: D006728:Hormones; D007328:Insulin; D010455:Peptides; D011956:Receptors, Cell Surface