| opioid receptor agonist |
drug |
3 |
2 |
opioid agonist |
| opioid sensitivity |
phenotype |
3 |
2 |
opioid analgesia response, sensitivity to opioids |
| Opioid system |
drug |
3 |
3 |
opioid |
| opioid tolerance |
phenotype |
6 |
4 |
|
| oppositional defiant disorder |
phenotype |
19 |
9 |
ODD, teacher-reported ODD |
| Oppositional-defiant disorder |
phenotype |
3 |
2 |
ODD |
| oppositionality |
phenotype |
2 |
2 |
|
| Oprd1 |
cohort |
14 |
14 |
DOR, Delta opioid receptor, Delta opioid receptors, delta opiate receptor, delta opioid receptor, delta opioid receptor gene, delta receptor, delta-opioid receptor, opioid receptor delta 1, δ opioid receptor, δ-opioid receptor |
| OPRL1 |
cohort |
5 |
5 |
NOP receptor, NOPR, NOR, Oprl1, nociceptin receptor, nociceptin/orphanin FQ receptor, opiate receptor-like 1 receptor, opioid receptor-like 1, receptor-like |
| OPRM1 |
cohort |
43 |
39 |
MOP receptor, MOPR, MOR, MOR gene locus, MOR-1, MOR-1K isoform, OPRM1, OPRM1 gene, OPRM1 genotype, human OPRM1, mOR, mouse OPRM1, mu class opioid receptor, mu opioid receptor, mu opioid receptor gene, mu receptor, mu-opioid receptor, mu-opioid receptor gene, mu-receptor, opioid receptor mu 1, µ opioid receptor, µ-opioid receptor, μ opioid receptor, μ opioid receptor gene, μ-opioid peptide receptor, μ-opioid peptide receptor gene, μ-opioid receptor, μ-opioid receptor gene, μ-receptor gene |
| OPRM1 A118G |
cohort |
13 |
21 |
118A>G, 118A>G SNP, 118G, 118G allele, 118G variant, A allele of OPRM1, A/A, A/A homozygotes, A118G, A118G SNP, A118G allele, Asn40Asp, Asn40Asp SNP, Asp40, Asp40Asn, G allele, G allele of OPRM1, G-allele, G/G, G118 allele, OPRM1 118G, OPRM1 118G allele, OPRM1 Asn40Asp, OPRM1 SNP 118A>G, human A118 allele, human A118G SNP, human G118 allele, rs1799971, rs1799971 G, rs1799971 G allele |
| order |
phenotype |
5 |
4 |
C2, C2: Order, O2: Order |
| organoids |
cohort |
4 |
2 |
18-day organoids, 8-day organoids, brain organoids |
| Orientation |
phenotype |
2 |
1 |
|
| ORN component |
phenotype |
2 |
2 |
ORN |
| Oropharyngeal cancer |
phenotype |
2 |
1 |
cancers of the oropharynx |
| ORP |
phenotype |
11 |
2 |
ORP amplitude, ORP measures, ORP/P3, Outcome-Related Positivity, Outcome-Related Potential, P3, outcome-related positivity, outcome-related potential |
| ORP amplitude |
phenotype |
2 |
2 |
ORP, ORP component amplitude |
| ORP component |
phenotype |
2 |
2 |
ORP |
| oscillatory activity |
phenotype |
5 |
5 |
oscillatory activity during EEG |
