Keyphrases
Amphibians
95%
Opioids
68%
Morphine
52%
Opioid Receptors
51%
Frog
40%
Analgesia
37%
Antinociception
34%
μ-opioid Receptor
32%
Opioid Antagonist
31%
Naloxone
30%
Rana pipiens
28%
Antinociceptive
27%
Analgesic
25%
Spinal Cord
24%
Vertebrates
21%
Analgesic Effect
21%
Enkephalin
20%
Rat Spinal Cord
19%
Naltrexone
18%
Opioid Analgesics
17%
Fentanyl
16%
Dose Effect
16%
CXCL10
15%
Opioid Agonist
15%
Intrathecal Infusion
15%
Grass
14%
Dose-response Curve
14%
Kappa Opioid
14%
Cross-tolerance
13%
Acetic Acid Test
13%
Hot Plate
12%
Opiates
11%
Binding Site
11%
Systemic Administration
11%
Pain Research
10%
Intrathecal
9%
Opioid Peptides
9%
Non-mammalian Model
9%
Delta Opioid
9%
Dynorphin
9%
Dexmedetomidine
9%
Levorphanol
9%
Nociceptin
9%
Chemokine Expression
9%
Sufentanil
9%
NF-B
8%
Neuroinflammation
8%
Bioinformatics
8%
Endogenous Opioid System
8%
Anti-neuroinflammation
8%
Pharmacology, Toxicology and Pharmaceutical Science
Opiate
70%
Amphibia
43%
Morphine
35%
Analgesic Agent
32%
Antinociception
27%
Narcotic Antagonist
24%
Opiate Receptor
23%
Receptor
20%
Intrathecal
20%
Enkephalin
16%
Duragesic
14%
Cross-Tolerance
13%
Anura
13%
Opiate Agonist
12%
Rana pipiens
11%
Chemokine
9%
Opiate Peptide
9%
Naloxone
9%
Systemic Administration
8%
Sufentanil
8%
μ-Opioid Receptor
8%
Toll Like Receptor 4
7%
Antinociceptive Agent
7%
Dexmedetomidine
6%
Potassium Acetate
6%
Epinephrine
6%
Radioligand
6%
Binding Site
6%
Naltrexone
6%
Tumor Necrosis Factor
5%
Adrenergic Receptor Stimulating Agent
5%
Clonidine
5%
Nervous System Inflammation
5%
Complementary DNA
5%
Neuroscience
Opiate
100%
Morphine
44%
Receptor
37%
Intrathecal
27%
Naloxone
22%
Narcotic Antagonist
21%
Agonist
16%
Enkephalin
16%
Naltrexone
13%
Acetate
13%
Fentanyl
12%
Duragesic
12%
Endorphin
12%
CXCL10
11%
μ-Opioid Receptor
9%
Nociceptin
9%
Sufentanil
8%
Acid Tests
8%
TLR 4
7%
Lipopolysaccharide
7%
Binding Site
7%
Dynorphin
6%
Dynorphin A
6%
Chemokine
6%
Astrocyte
6%
G Protein Coupled Receptor
5%
Anti-Inflammatory
5%
Pain Threshold
5%
In Vivo
5%
Kappa Opiate Receptor
5%