title: How do receptors at the cell surface send signals to the cell interior?
mesh_terms: D002450:Cell Communication; D006801:Humans; D007473:Ion Channels / Q000502:physiology; D011505:Protein-Tyrosine Kinases / Q000378:metabolism; D011956:Receptors, Cell Surface / Q000502:physiology*
chemical_list: D007473:Ion Channels; D011956:Receptors, Cell Surface; D011505:Protein-Tyrosine Kinases