OBSOLETE. The chemical reactions and pathways resulting in the formation of a receptor molecule, a macromolecule that undergoes combination with a hormone, neurotransmitter, drug or intracellular messenger to initiate a change in cell function.
Source:
GOC:mah
Comment
The reason for obsoletion is that this represent specific gene products, and genes annotated to those terms should be annotated to 'regulation of gene expression' or 'regulation of transcription' or some signaling term.