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- 1,3-Bisphosphoglyceric acidChemical compound
- 10–20 system (EEG)Method of scalp electrodes placement
- 1q21.1 copy number variationsGenetic mutation
- 1q21.1 deletion syndromeMedical condition
- 4-PPBP4-PPBP is a neuroprotective cyclic amine which binds to sigma receptors.
- 5-HT receptorClass of transmembrane proteins
- 5-HT1A receptorSerotonin receptor protein distributed in the cerebrum and raphe nucleus
- 5-HT2A receptorSubtype of serotonin receptor
- 5-HydroxytryptophanChemical compound
- 5β-Dihydrotestosterone5β-Dihydrotestosterone (5β-DHT), also known as 5β-androstan-17β-ol-3-one or as etiocholan-
- Γ-Hydroxybutyric acidChemical compound
- Δ-opioid receptorOpioid receptor
- Κ-opioid receptorProtein-coding gene in the species Homo sapiens, named for ketazocine