title: One or several thymic hormones?
abstract: Four main thymic preparations have been reported in the literature: thymosin, thymopoietin, thymic humoral factor (THF), and serum thymic factor (FTS). Their possible relationships are discussed with reference to their chemical characteristics and their main biologic features.
mesh_terms: D000818:Animals; D002454:Cell Differentiation / Q000187:drug effects; D006801:Humans; D013601:T-Lymphocytes / Q000187:drug effects; D013935:Thymic Factor, Circulating / Q000032:analysis; D013951:Thymus Hormones / Q000032:analysis* / Q000502:physiology
chemical_list: D013951:Thymus Hormones; D013935:Thymic Factor, Circulating