| English | Spanish |
| acceleration substance | factor de aceleración |
| accessory food substance | substancia alimenticia accesoria |
| accessory food substance | hormona alimenticia |
| accessory food substance | factor alimenticio accesorio |
| accessory food substance | nutramina |
| accessory food substance | vitamina |
| active substances | sustancias activas |
| agglutinating substance | aglutinina |
| agglutinating substance | substancia aglutinable |
| anabolic substance | sustancia anabolizante |
| anabolic substance | agente anabólico |
| anabolic substances | anabólicos |
| anterior perforated substance | espacio perforado anterior (substantia perforata anterior, locus perforatus anticus, praeperforatum) |
| anterior perforated substance | locus perforatus anterior (substantia perforata anterior, locus perforatus anticus, praeperforatum) |
| antiallergic substances | antialérgicos |
| antidiuretic substance | hormona antidiurética |
| anti-inflammatory substance | antinflamatorio |
| anti-inflammatory substance | antiflogístico |
| antiketogenic substances | sustancias anticetógenas |
| antimicrobial substance | sustancia antimicrobiana |
| antirabic substance | sustancia antirrábica |
| antiseptic pharmaceutical substance | sustancia farmacéutica antiséptica |
| anti-tumour substance | sustancia de actividad antitumoral |
| article impregnated with pharmaceutical substances | artículo impregnado de sustancias farmacéuticas |
| bacteria-destroying substance | antibacteriano |
| bacteria-destroying substance | antialérgico |
| beta substance | cuerpos de Heinz (substantia metachromatica granularis) |
| beta substance | substancia beta (substantia metachromatica granularis) |
| black substance | substancia gris de Sömmering (substantia nigra, intercalatum) |
| black substance | ganglio de Sömmering (substantia nigra, intercalatum) |
| black substance | locus niger (substantia nigra, intercalatum) |
| blood-group substances | substancias de los grupos sanguíneos |
| carcinogenic substance | sustancia carcinógena |
| carrier substance | substancia portadora |
| caustic substance | cáustico |
| caustic substance | sustancia cáustica |
| caustic substance | producto cáustico |
| cement substance | substancia fundamental |
| cement substance | dentina |
| chondral cement substance | substancia fundamental del cartílago |
| chromophilic substance | cuerpos cromófilos |
| chromophilic substance | granulaciones de Nissl |
| chromophilic substance | cuerpos tigroide |
| chromophilic substance | cuerpos de Nissl |
| chromophilic substance | corpúsculos cromófilos |
| chromophilic substance | substancia tigroide |
| concentration of a substance in solution | proporción |
| concentration of a substance in solution | título |
| concentration of a substance in solution | grado |
| connective substance | tejido de sostén |
| contact substance | accelerador |
| contact substance | catalizador |
| Convention on Psychotropic Substances | convencion sobre psicotroposformada en Viena el 19-2-1971 |
| Convention on Psychotropic Substances | Convenio sobre sustancias psicotrópicas |
| counter-irritant pharmaceutical substance | sustancia farmacéutica revulsiva |
| cytotoxic substance | sustancia citotóxica |
| cytotoxin substance | citolisina |
| dentinogenous substance | dentina secundaria |
| depot substances | substancias de reserva |
| diluent substance | diluente |
| diluent substance | disolvente |
| diluent substance | humectante |
| dotted substance | neuropilema |
| dotted substance | substancia nerviosa |
| dotted substance | neurófilo |
| dotted substance | substancia molecular |
| dotted substance | retículo fibroso |
| endocrine-disrupting substance | perturbador endocrino |
| endocrine-disrupting substance | disruptor endocrino |
| endocrine-disrupting substance | alterador endocrino |
| exophthalmos producing substance | substancia de acción exoftálmica |
| foreign substance | antígeno |
| gray substance | substancia cinérea (substantia grísea) |
| gray substance | substancia gris (substantia grísea) |
| ground substance | substancia fundamental |
| growth substance | hormona de crecimiento |
| heat treatment throughout its substance | tratamiento interno térmico |
| hyaline substance | substancia hialina |
| induction substance | substancia inductora |
| inhibiting substance | sustancia inhibidora retardante |
| inhibiting substance test | test para sustancia inhibidora |
| inhibitory substance | sustancia inhibidora retardante |
| intercalative substances | substancias intercalares |
| intercellular substance | substancia intercelular |
| interfibrillar substance of Flemming | paraplasma |
| interfibrillar substance of Flemming | masa interfilar |
| interfibrillar substance of Flemming | enquilema |
| interfibrillar substance of Flemming | citolinfa |
| interfibrillar substance of Flemming | paramitoma |
| interfibrillar substance of Flemming | hialoplasma |
| interfilar substance | citolinfa |
| interfilar substance | enquilema |
| interfilar substance | paramitoma |
| interfilar substance | paraplasma |
| interfilar substance | masa interfilar |
| interfilar substance | hialoplasma |
| interspongioplastic substance | paraplasma |
| interspongioplastic substance | masa interfilar |
| interspongioplastic substance | enquilema |
| interspongioplastic substance | citolinfa |
| interspongioplastic substance | paramitoma |
| interspongioplastic substance | hialoplasma |
| interstitial substance | substancia fundamental |
| interterritorial substance | substancia fundamental intercapsular |
| introducing hydroxyl into a substance | hidroxilasa |
| labelled form of test substance | forma marcada de la sustancia probada |
| to maximize the exposure by inhalation to the test substance | exposición óptima a la sustancia objeto de ensayo por inhalación |
| medicinal substance allergy | alergia a medicamentos |
| medullary substance | substancia medular (substantia medullaris) |
| metabolic profile of the substance | perfil metabólico de la sustancia |
| mode of action of the test substance | modo de acción de la sustancia ensayada |
| molecular substance | neurófilo |
| molecular substance | substancia nerviosa |
| molecular substance | substancia molecular |
| molecular substance | neuropilema |
| molecular substance | retículo fibroso |
| mutagenic substance | sustancia mutágena |
| mutagenic substance | mutágeno |
| narcotic substance for essential medical purposes | estupefaciente con fines médicos esenciales |
| neurotoxic substance | substancia neurotóxica |
| obligatory urine-excreted substance | susbstancia de eliminación urinaria obligatoria |
| oxidised substance | molécula oxidada |
| oxidized substance | molécula oxidada |
| paraplasmic substances | paraplasma |
| paraplastic substances | paraplasma |
| pellagra-preventing substance | nicotamida |
| pellagra-preventing substance | niacina |
| pellagra-preventing substance | ácido nicotinico |
| pellagra-preventing substance | substancia antipelagrosa |
| pellagra-preventing substance | factor antipelagra |
| pellagra-preventing substance | vitamina PP |
| pharmacological characteristics of a substance | propiedades farmacologicas de una sustancia |
| pharmacological properties of a substance | propiedades farmacologicas de una sustancia |
| plasmolytic substance | sustancia plasmolítica |
| poisonous substances | sustancias venenosas |
| PP substance | factor antipelagra |
| PP substance | niacina |
| PP substance | substancia antipelagrosa |
| PP substance | nicotamida |
| PP substance | ácido nicotinico |
| PP substance | vitamina PP |
| pressor substance | substancia vasomotora |
| pressor substance | hipertensor |
| pressor substance | substancia hipertensora |
| pressor substance | presor |
| processing of the substances | transformacion de las sustancias |
| psychedelic substances | sustancias psicodelicas |
| psychotonic substances | sustancias psicotonicas |
| psychotropic substances | sicotrópicos |
| reactive substance | reactivo |
| reduced substance | molécula reducida |
| reticular substance | formatio reticularis (formatio reticularis, processus reticularis) |
| reticular substance | formación reticular (formatio reticularis, processus reticularis) |
| sensitizing substance | sustancia sensibilizadora |
| skin-stimulating substances | substancias tóxicas estimulantes de la piel |
| substance administered by gavage | sustancia administrada por alimentación forzada |
| substance administered in the diet | sustancia administrada en la alimentación |
| substance affecting blood flow | vasopresor |
| substance causing allergy | alergeno |
| substance causing infertility | sustancia causante de esterilidad |
| substance causing low fertility | sustancia que reduce la fertilidad |
| substance for the purpose of vaccination | sustancia de uso para vacunación |
| substance intended to produce systemic effects | sustancia destinada a producir efectos sistémicos |
| substance lost by foaming from the test solution | sustancia que escape por formación de espumas |
| substance metabolism | anabolismo |
| substance obtained from something else | derivado |
| substance of high cellular toxicity | sustancia de fuerte toxicidad celular |
| substance on which an enzyme acts | sustrato |
| substance opaque to X-rays | sustancia opaca a los rayos X |
| substance produced by metabolism | metabolito |
| substance tending to nullify effects of another | antagonista |
| substance that prevents blood clotting | anticoagulante |
| substance to cause vomiting | emético |
| substance to kill microorganisms | antimicrobiano |
| substance to reduce swelling | antiinflamatorio |
| substance to simulate sympathetic nervous system | simpaticomimético |
| substance to slow urine formation | antidiurético |
| substance to stop cell growth | citostático |
| substance to stop convulsions | anticonvulsivo |
| substance to stop decay | antioxidante |
| substance to stop spread | antiproliferativo |
| substance to stop vomiting | antiemético |
| substance with a thyrostatic action | sustancia de efecto tireostático |
| synthetic psychotropic substances | sustancias psicotropas sinteticas |
| Sömmering's gray substance | ganglio de Sömmering (substantia nigra, intercalatum) |
| Sömmering's gray substance | substancia gris de Sömmering (substantia nigra, intercalatum) |
| Sömmering's gray substance | locus niger (substantia nigra, intercalatum) |
| test substance emulsifiable in organic solvents | sustancia de ensayo soluble en un disolvente orgánico |
| thromboplastic substance | tromboquinasa |
| thromboplastic substance | substancia cimoplástica |
| thromboplastic substance | coagulina |
| thromboplastic substance | tromboplastina |
| thromboplastic substance | citogenia |
| thromboplastic substance | substancia tromboplástica |
| thyrostatic substance | sustancia de acción tirostática |
| tigroid substance | corpúsculos cromófilos |
| tigroid substance | cuerpos de Nissl |
| tigroid substance | cuerpos tigroide |
| tigroid substance | granulaciones de Nissl |
| tigroid substance | cuerpos cromófilos |
| tigroid substance | substancia tigroide |
| transmitter substance | neurotransmisor |
| undiluted liquid test substance | sustancia líquida empleada sin diluir |
| white substance of Schwann | substancia blanca refringente |
| white substance of Schwann | substancia bianca de Schwann |
| white substance of Schwann | mielina |
| wound with loss of substance | herida con pérdida de sustancia |
| xenobiotic substance | xenobiótico |
| xenobiotic substance | compuesto xenobiótico |
| zymoplastic substance | coagulina |
| zymoplastic substance | tromboplastina |
| zymoplastic substance | tromboquinasa |
| zymoplastic substance | substancia cimoplástica |
| zymoplastic substance | citogenia |
| zymoplastic substance | substancia tromboplástica |
