Medicine & Life Sciences
Opioid Receptors
100%
Pain
83%
Opioid Analgesics
81%
Hyperalgesia
56%
Morphine
55%
Neuralgia
55%
Brain
52%
Peptides
49%
Blood-Brain Barrier
47%
collapsin response mediator protein-2
44%
Ligands
44%
Enkephalins
42%
D-Penicillamine (2,5)-Enkephalin
40%
Chronic Pain
39%
delta Opioid Receptor
37%
Neurons
35%
Bone Neoplasms
31%
Dynorphins
31%
Cancer Pain
29%
Proteins
27%
Opioid Peptides
26%
Neurokinin-1 Receptors
26%
Spinal Cord
25%
Binding Sites
24%
Analgesics
24%
Therapeutics
23%
Alzheimer Disease
23%
Wounds and Injuries
22%
Sensory Receptor Cells
22%
Muscarinic Receptors
21%
In Vitro Techniques
21%
Substance P
21%
Spinal Nerves
20%
Psychological Inhibition
20%
biphalin
20%
Pharmaceutical Preparations
19%
Central Nervous System
19%
Pharmacology
19%
deltorphin
18%
Narcotic Antagonists
18%
Neoplasms
17%
mu Opioid Receptor
17%
Ligation
17%
Permeability
16%
Spinal Ganglia
16%
Nociceptors
15%
Hypersensitivity
15%
Analgesia
14%
Pirenzepine
14%
Migraine Disorders
14%
Rodentia
14%
Calcitonin Gene-Related Peptide
14%
Cholecystokinin
14%
Hot Temperature
14%
Genes
13%
Calcium Channels
13%
Structure-Activity Relationship
13%
Spinal Cord Dorsal Horn
13%
Phosphorylation
13%
naltrindole
13%
Membranes
12%
Endorphins
12%
Naloxone
12%
Capsaicin
12%
Endothelial Cells
12%
Cell Line
12%
Cannabinoid Receptor Agonists
12%
Animals
12%
Injections
12%
Messenger RNA
12%
Ileum
12%
Nociception
11%
kappa Opioid Receptor
11%
Cannabinoids
11%
ATP Binding Cassette Transporter, Subfamily B, Member 1
11%
Neuropeptides
11%
Melanocortin Receptors
11%
Kidney
11%
Heart
11%
Nucleus Accumbens
11%
Oxidative Stress
11%
Solid-Phase Synthesis Techniques
11%
Transforming Growth Factors
10%
Amyloid
10%
Bone and Bones
10%
Cardiac Myocytes
10%
PAR-2 Receptor
10%
Fibroblasts
10%
Calcium
10%
Lacosamide
10%
Vas Deferens
10%
Nerve Growth Factor
10%
Muscarinic M1 Receptors
10%
Ventral Tegmental Area
10%
Guinea Pigs
10%
Astrocytes
10%
Secondary Headache Disorders
10%
Dopaminergic Neurons
9%
Gene Expression
9%
Growth
9%
Chemical Compounds
Agonist
35%
Peptide
31%
Protein
27%
Ligand
22%
Antagonist
21%
Opiate Peptide
20%
Melanocortin
17%
Drug
16%
Antinociceptive
16%
Morphine
15%
Parasympathomimetic Agent
15%
Agent Interacting With Transmitter, Hormone or Drug Receptor
14%
Analgesic
13%
Kd
12%
Bioactivity
12%
Dynorphin A
11%
Binding Site
11%
Cord
10%
DPDPE
10%
Structure-Activity Relationship
9%
Neurokinin-1 Receptor Antagonist
9%
Pharmacological Metabolism
9%
Bioassay
9%
Intrathecal
8%
Metabolic
8%
Intracerebroventricular
8%
Dose
8%
Oxidative Stress
8%
Acid
7%
Probe
7%
Plasma
6%
Modification
6%
Pirenzepine
6%
Permeability
6%
Cannabinoid
6%
Disorder
6%
Narcotic
6%
Naltrindole
6%
Central Nervous System Drug
6%
Naloxone
6%
Block Like Crystal
5%
Glucocorticoid
5%
Peptidomimetic
5%
Nociceptive
5%
Dopamine
5%
Bombesin
5%
Nitrendipine
5%