Source:http://linkedlifedata.com/resource/umls/id/C0596138
CSP: one of three fundamental types (with paracrine and endocrine) of cellular regulation by intercellular diffusible factors, where the diffusible factor exerts a regulatory influence primarily on the same cell that secreted it.,NCI: Organ systems involved in self-stimulation through cellular production of a factor and a specific receptor for it.