Simple categories matching endogenous:

• compound,
• sterol,
• substance,
• cation,
• activator,
• agent,
• hormone,
• monoamine,
• steroid,
• volatile,
• phosphatase,
• chromophore,
• sugar,
• change,
• substrate,
• neurotransmitter,
• solute,
• pathogen,
• reactant,
• protein,
• constituent,
• cofactor,
• ion,
• proteinase,
• pigment,
• diamine,
• material,
• metal,
• ligand,
• acceptor,
• amine,
• molecule,
• catecholamine,
• contaminant,
• chemical,
• androgen,
• vasoconstrictor,
• soporific,
• nucleoside,
• enzyme,
• protease,
• gene,
• variable,
• component,
• antigen,
• signal,
• corticosteroid,
• damage,
• buffer,
• nucleotide,
• vasopressor,
• lipid,
• metabolite,
• macromolecule,
• estrogen,
• system,
• acid,
• control,
• opsonin,
• fluid,
• carbohydrate,
• glucocorticoid,
• virus,
• factor,
• cause,
• corticoid,
• peptide,
• process,
• polysaccharide,
• lipoprotein,
• receptor,

Members with property endogenous:

• research,
• epinephrine,
• steroid,
• nitric_oxide,
• dicarboxylic_acid,
• calcium,
• ngf,
• cholesterol,
• immunoglobulin,
• dopamine,
• steroidal_hormone,
• myelin,
• cellular_chromophore,
• norepinephrine,
• cholecystokinin,
• histamine,
• phospholipid,
• hexose,
• lipid,
• polyphosphate,
• fatty_acid,
• tumor_antigen,
• sulfuric_acid,
• transport_protein,
• respiration,
• neutrophil_elastase,
• glucose,
• ammonia,
• tryptophan_metabolite,
• serotonin,
• mechanism,
• cortisone,
• antioxidant_enzyme,
• steroid_hormone,
• feces,
• selenium,
• viral_protein,
• zn,
• myosin,
• iron,
• lens-cortex_protein,
• total_nitrogen,
• proinflammatory_cytokine,
• monoamine_neurotransmitter,
• endotoxin,
• peptide,
• mao,
• pancreatic_juice,
• polysaccharide,
• phosphatase,
• insulin,
• urate,
• tyrosine,
• trace_amine,
• heparin,
• dietary_amine,
• plasma-membrane_protein,
• biliary_salt,
• physical_agent,
• acetaldehyde,
• creatine,
• elastase,
• ne,
• leucine,
• aerobic_respiration,
• sod,
• chloride,
• albumin,
• mucus,
• actomyosin,
• cell_constituent,
• exogenous_compound,
• nucleotide,
• reproduction,
• corticosterone,
• estrogen,
• vip,
• putrescine,
• steroid_androsterone,
• vasopressin,
• myeline,
• cell-membrane_lipid,
• dna_damage,
• inflammatory_cytokine,
• certain_hormone,
• heart,
• glutamine,
• dna,
• androgen,
• progesterone_metabolite,
• vitamin,
• aldosterone,
• endogenous_protease,
• iaa,
• interleukin,
• amine,
• calcitonin,
• sex_steroid,
• arginine_vasopressin,
• adp,
• progesterone,
• chloride_ion,
• protein,
• methane,
• catecholamine,
• wax,
• renin,
• chemical,
• acetone,
• acetylcholine,
• tumour_antigen,
• chromium,
• transcription_factor,
• small_peptide,
• mood,
• lh,
• haemoglobin,
• terpene,
• acetal,
• phagocytosis,
• price,
• ldl,
• alcohol,
• hydrophobic_peptide,
• peroxidase,
• intestinal_tissue,
• al,
• drug,
• calcium_deposit,
• acid,
• synthetic_cation,
• amide,
• alkaloid,
• phenol,
• catalase,
• processing_negativity,
• estriol,
• amylase,
• lymphokine,
• collagen,
• pyrogen,
• angiotensin,
• plasmin,
• cysteine,
• ige,
• protease,
• thyroxine,
• virus,
• signal_transduction,
• oxidative_stress,
• protein_expression,
• ethanol,
• glutamate,
• enkephalin,
• patient_antibody,
• triiodothyronine,
• catecholamine_neurotransmitter,
• structural_protein,
• fe,
• monoamine,
• trypsinogen,
• igg_antibody,
• uric_acid,
• enzyme_catalase,
• protein_phosphatase,
• glycogen,
• glycerol,
• endogenous_lh,
• antioxidant,
• biliary_acid,
• secretin,
• congenital_anomaly,
• autacoid,
• monoamine-oxidase_mao,
• hepatitis_virus,
• lactate,
• steroid_cortisol,
• electrolyte,
• bilirubin,
• ester,
• gastrin,
• potassium,
• cytochrome_oxidase,
• agonist,
• adenine,
• cox,
• cortisol,
• amyloid_protein,
• oestrogen,
• bile,
• neurotransmitter,
• trypsin,
• salt,
• triglyceride,
• fat,
• copper,
• igg,
• hemoglobin,
• kinin,
• endorphin,
• urokinase,
• iodothyronine,
• sugar,
• external_condition,
• testosterone,
• molybdenum,
• magnesium,
• platelet_product,
• protein_kinase,
• estrone,
• food_phenol,
• erythropoietin,
• latent_virus,
• water,
• development,
• inflammatory_reaction,
• pancreatic_protease,
• lactic_acid,
• mg,
• hepatic_glycogen,
• melatonin_metabolite,
• light,
• trh,
• enzyme,
• noradrenaline,
• attention,
• natriuretic_peptide,
• hormone,
• ethanol_metabolism,
• iteration,
• thymidine,
• albumen,
• steroid_synthesis,
• actin,
• androsterone,
• membrane_phospholipid,
• metabolite,
• oxidative_damage,
• pancreatic_enzyme,
• antagonist,
• sexual_reproduction,
• melanin,
• blood,
• adenosine,
• dna_replication,
• serine,
• cytidine,
• total_carbohydrate,
• aluminum,
• clonidine,
• flavonoid,
• aortic_calcification,
• cu,
• gaba,
• amyloid,
• fishing,
• anabolic_steroid,
• cytochrome,
• cyclic_nucleotide,
• atp,
• digestive_enzyme,
• taurine,
• zidovudine,
• manganese,
• superoxide,
• volcanism,
• zinc,
• foamy_virus,
• oxidation,
• airway_trypsin,
• adrenocorticotropin,
• guanosine,
• monocarboxylic_acid,
• pepsinogen,
• protein_adsorption,
• flavin,
• superoxide-dismutase_sod,
• glycine,
• ergosterol,
• sterol,
• ketone,
• antibody,
• prostaglandin,
• certain_cytokine,
• adrenaline,
• toxin,
• ferric_ion,
• estrone_sulfate,
• alkaline_phosphatase,
• acidic_phospholipid,
• certain_phospholipid,
• alanine,
• mucin,
• guanine,
• progesterone_receptor,
• aspirin,
• hydrocortisone,
• myoglobin,
• choline,
• hepatic_protein,
• renal_stone,
• carbohydrate,
• estradiol,
• acidic_protein,
• chorionic_gonadotrophin,
• cytokine,
• fsh,
• plasma,
• acetate,
• surfactant,
• urea,
• gene,
• transmitter_depletion,
• fibrinogen,
• glucocorticoid,
• tyramine,
• transferrin,
• hdl,
• steroid_conjugate,
• developmental_timing,
• fructose,
• progestin,
• thrombin,
• mutation,
• amino-acid_glycine,
• transformation_model,
• nucleoside,
• elastin,
• biogenic_amine,
• corticosteroid,
• bk,