Desensitization of receptors is the loss of response of a cell to the action of a ligand, which can be caused by the alteration of the receptors.

Desensitization of receptors is the increase in response of a cell to the action of a ligand, which can be caused by the alteration of the receptors.

Desensitization of receptors is the loss of response of a cell to the action of a ligand, which is not caused by the alteration of the receptors.