MeSH O
- O Antigens
- O'nyong-nyong Virus
- O(6)-Methylguanine-DNA Methyltransferase
- O-(Chloroacetylcarbamoyl)fumagillol
- O-Acetyl-ADP-Ribose
- ORAI1 Protein
- ORAI2 Protein
- OX40 Ligand
- Obesity
- Obesity Hypoventilation Syndrome
- Obesity Management
- Obesity, Abdominal
- Obesity, Maternal
- Obesity, Metabolically Benign
- Obesity, Morbid
- Obidoxime Chloride
- Object Attachment
- Observation
- Observational Studies as Topic
- Observational Studies, Veterinary as Topic
- Observational Study
- Observational Study, Veterinary
- Observer Variation
- Obsessive Behavior
- Obsessive-Compulsive Disorder
- Obstetric Labor Complications
- Obstetric Labor, Premature
- Obstetric Nursing
- Obstetric Surgical Procedures
- Obstetrical Forceps
- Obstetrics
- Obstetrics and Gynecology Department, Hospital
- Obturator Nerve
- Occipital Bone
- Occipital Lobe
- Occludin
- Occlusal Adjustment
- Occlusal Splints
- Occlusion Bodies, Viral
- Occlusion Body Matrix Proteins
- Occlusive Dressings
- Occult Blood
- Occultism
- Occupational Dentistry
- Occupational Diseases
- Occupational Exposure
- Occupational Groups
- Occupational Health
- Occupational Health Nursing
- Occupational Health Physicians
- Occupational Health Services
- Occupational Injuries
- Occupational Medicine
- Occupational Stress
- Occupational Therapists
- Occupational Therapy
- Occupational Therapy Department, Hospital
- Occupations
- Oceania
- Oceanic Ancestry Group
- Oceanography
- Oceanospirillaceae
- Oceans and Seas
- Ochlerotatus
- Ochnaceae
- Ochratoxins
- Ochrobactrum
- Ochrobactrum anthropi
- Ochromonas
- Ochronosis
- Ochrosia
- Ocimum
- Ocimum basilicum
- Ocimum sanctum
- Ocotea
- Octamer Transcription Factor-1
- Octamer Transcription Factor-2
- Octamer Transcription Factor-3
- Octamer Transcription Factor-6
- Octamer Transcription Factors
- Octanes
- Octanols
- Octodon
- Octopamine
- Octopodiformes
- Octoxynol
- Octreotide
- Ocular Absorption
- Ocular Hypertension
- Ocular Hypotension
- Ocular Motility Disorders
- Ocular Physiological Phenomena
- Oculocerebrorenal Syndrome
- Oculomotor Muscles
- Oculomotor Nerve
- Oculomotor Nerve Diseases
- Oculomotor Nerve Injuries
- Oculomotor Nuclear Complex
- Odds Ratio
- Odonata
- Odontoblasts
- Odontodysplasia
- Odontogenesis
- Odontogenic Cyst, Calcifying
- Odontogenic Cysts
- Odontogenic Tumor, Squamous
- Odontogenic Tumors
- Odontoid Process
- Odontoma
- Odontometry
- Odorants
- Oedipus Complex
- Oenanthe
- Oenococcus
- Oenothera
- Oenothera biennis
- Oesophagostomiasis
- Oesophagostomum
- Off-Label Use
- Off-Road Motor Vehicles
- Office Automation
- Office Management
- Office Nursing
- Office Visits
- Ofloxacin
- Ohio
- Oil and Gas Fields
- Oil and Gas Industry
- Oils
- Oils, Volatile
- Ointment Bases
- Ointments
- Okadaic Acid
- Oklahoma
- Olacaceae
- Olanzapine
- Old Age Assistance
- Oldenlandia
- Olea
- Oleaceae
- Oleandomycin
- Oleanolic Acid
- Oleavirus
- Olecranon Process
- Oleic Acid
- Oleic Acids
- Olfaction Disorders
- Olfactometry
- Olfactory Bulb
- Olfactory Cortex
- Olfactory Marker Protein
- Olfactory Mucosa
- Olfactory Nerve
- Olfactory Nerve Diseases
- Olfactory Nerve Injuries
- Olfactory Pathways
- Olfactory Perception
- Olfactory Receptor Neurons
- Olfactory Tubercle
- Oligo-1,6-Glucosidase
- Oligochaeta
- Oligoclonal Bands
- Oligodendrocyte Precursor Cells
- Oligodendrocyte Transcription Factor 2
- Oligodendrocyte-Myelin Glycoprotein
- Oligodendroglia
- Oligodendroglioma
- Oligodeoxyribonucleotides
- Oligodeoxyribonucleotides, Antisense
- Oligohydramnios
- Oligohymenophorea
- Oligomenorrhea
- Oligomycins
- Oligonucleotide Array Sequence Analysis
- Oligonucleotide Probes
- Oligonucleotides
- Oligonucleotides, Antisense
- Oligopeptides
- Oligoribonucleotides
- Oligoribonucleotides, Antisense
- Oligosaccharides
- Oligosaccharides, Branched-Chain
- Oligospermia
- Oliguria
- Olivary Nucleus
- Olive Oil
- Olivomycins
- Olivopontocerebellar Atrophies
- Olmesartan Medoxomil
- Olopatadine Hydrochloride
- Omalizumab
- Oman
- Omasum
- Omentum
- Omeprazole
- Onagraceae
- Onchocerca
- Onchocerca volvulus
- Onchocerciasis
- Onchocerciasis, Ocular
- Oncogene Addiction
- Oncogene Fusion
- Oncogene Protein gp140(v-fms)
- Oncogene Protein p21(ras)
- Oncogene Protein p55(v-myc)
- Oncogene Protein p65(gag-jun)
- Oncogene Protein pp60(v-src)
- Oncogene Protein tpr-met
- Oncogene Protein v-akt
- Oncogene Protein v-cbl
- Oncogene Protein v-crk
- Oncogene Protein v-maf
- Oncogene Proteins
- Oncogene Proteins v-abl
- Oncogene Proteins v-erbA
- Oncogene Proteins v-erbB
- Oncogene Proteins v-fos
- Oncogene Proteins v-mos
- Oncogene Proteins v-myb
- Oncogene Proteins v-raf
- Oncogene Proteins v-rel
- Oncogene Proteins v-sis
- Oncogene Proteins, Fusion
- Oncogene Proteins, Viral
- Oncogenes
- Oncogenic Viruses
- Oncologists
- Oncology Nursing
- Oncology Service, Hospital
- Oncolytic Virotherapy
- Oncolytic Viruses
- Oncorhynchus
- Oncorhynchus keta
- Oncorhynchus kisutch
- Oncorhynchus mykiss
- Oncostatin M
- Oncostatin M Receptor beta Subunit
- Ondansetron
- One Health
- One-Carbon Group Transferases
- One-Lung Ventilation
- Onecut Transcription Factors
- Onions
- Onium Compounds
- Online Social Networking
- Online Systems
- Only Child
- Ononis
- Onopordum
- Ontario
- Onycholysis
- Onychomycosis
- Onygenales
- Oocysts
- Oocyte Donation
- Oocyte Retrieval
- Oocytes
- Oogenesis
- Oogonia
- Oogonial Stem Cells
- Oomycetes
- Oophoritis
- Open Abdomen Techniques
- Open Access Publishing
- Open Bite
- Open Fracture Reduction
- Open Reading Frames
- Operating Room Information Systems
- Operating Room Nursing
- Operating Room Technicians
- Operating Rooms
- Operating Tables
- Operations Research
- Operative Blood Salvage
- Operative Time
- Operator Regions, Genetic
- Operon
- Ophiophagus hannah
- Ophiopogon
- Ophiostoma
- Ophiostomatales
- Ophthalmia Neonatorum
- Ophthalmia, Sympathetic
- Ophthalmic Artery
- Ophthalmic Assistants
- Ophthalmic Nerve
- Ophthalmic Solutions
- Ophthalmodynamometry
- Ophthalmologic Surgical Procedures
- Ophthalmologists
- Ophthalmology
- Ophthalmoplegia
- Ophthalmoplegia, Chronic Progressive External
- Ophthalmoplegic Migraine
- Ophthalmoscopes
- Ophthalmoscopy
- Opiate Alkaloids
- Opiate Substitution Treatment
- Opioid Epidemic
- Opioid Peptides
- Opioid-Induced Constipation
- Opioid-Related Disorders
- Opipramol
- Opisthorchiasis
- Opisthorchidae
- Opisthorchis
- Opium
- Opium Dependence
- Oplopanax
- Opossums
- Opportunistic Infections
- Opsins
- Opsoclonus-Myoclonus Syndrome
- Opsonin Proteins
- Optic Atrophies, Hereditary
- Optic Atrophy
- Optic Atrophy, Autosomal Dominant
- Optic Atrophy, Hereditary, Leber
- Optic Chiasm
- Optic Disk
- Optic Disk Drusen
- Optic Flow
- Optic Lobe, Nonmammalian
- Optic Nerve
- Optic Nerve Diseases
- Optic Nerve Glioma
- Optic Nerve Hypoplasia
- Optic Nerve Injuries
- Optic Nerve Neoplasms
- Optic Neuritis
- Optic Neuropathy, Ischemic
- Optic Tract
- Optical Devices
- Optical Fibers
- Optical Illusions
- Optical Imaging
- Optical Phenomena
- Optical Restriction Mapping
- Optical Rotation
- Optical Rotatory Dispersion
- Optical Storage Devices
- Optical Tweezers
- Optically Stimulated Luminescence Dosimetry
- Optics and Photonics
- Optimism
- Optogenetics
- Optometrists
- Optometry
- Opuntia
- Oral Fistula
- Oral Health
- Oral Hemorrhage
- Oral Hygiene
- Oral Hygiene Index
- Oral Manifestations
- Oral Medicine
- Oral Mucosal Absorption
- Oral Sprays
- Oral Stage
- Oral Submucous Fibrosis
- Oral Surgical Procedures
- Oral Surgical Procedures, Preprosthetic
- Oral Ulcer
- Oral and Maxillofacial Surgeons
- Orbit
- Orbit Evisceration
- Orbital Cellulitis
- Orbital Diseases
- Orbital Fractures
- Orbital Implants
- Orbital Myositis
- Orbital Neoplasms
- Orbital Pseudotumor
- Orbivirus
- Orchidaceae
- Orchiectomy
- Orchiopexy
- Orchitis
- Oregon
- Orexin Receptor Antagonists
- Orexin Receptors
- Orexins
- Orf virus
- Organ Culture Techniques
- Organ Dysfunction Scores
- Organ Motion
- Organ Preservation
- Organ Preservation Solutions
- Organ Size
- Organ Sparing Treatments
- Organ Specificity
- Organ Trafficking
- Organ Transplantation
- Organ of Corti
- Organelle Biogenesis
- Organelle Shape
- Organelle Size
- Organelles
- Organic Agriculture
- Organic Anion Transport Protein 1
- Organic Anion Transporters
- Organic Anion Transporters, ATP-Dependent
- Organic Anion Transporters, Sodium-Dependent
- Organic Anion Transporters, Sodium-Independent
- Organic Cation Transport Proteins
- Organic Cation Transporter 1
- Organic Cation Transporter 2
- Organic Chemicals
- Organic Chemistry Phenomena
- Organically Modified Ceramics
- Organisation for Economic Co-Operation and Development
- Organism Forms
- Organism Hydration Status
- Organisms, Genetically Modified
- Organization and Administration
- Organizational Affiliation
- Organizational Case Studies
- Organizational Culture
- Organizational Innovation
- Organizational Objectives
- Organizational Policy
- Organizations
- Organizations, Nonprofit
- Organizers, Embryonic
- Organofluorophosphonates
- Organogenesis
- Organogenesis, Plant
- Organogold Compounds
- Organoids
- Organoiron Compounds
- Organomercury Compounds
- Organometallic Compounds
- Organophosphate Poisoning
- Organophosphates
- Organophosphonates
- Organophosphorus Compounds
- Organoplatinum Compounds
- Organoselenium Compounds
- Organosilicon Compounds
- Organotechnetium Compounds
- Organotherapy
- Organothiophosphates
- Organothiophosphonates
- Organothiophosphorus Compounds
- Organotin Compounds
- Organs at Risk
- Organum Vasculosum
- Orgasm
- Orientation
- Orientation, Spatial
- Orientia tsutsugamushi
- Origanum
- Origin Recognition Complex
- Origin of Life
- Orlistat
- Ornidazole
- Ornipressin
- Ornithine
- Ornithine Carbamoyltransferase
- Ornithine Carbamoyltransferase Deficiency Disease
- Ornithine Decarboxylase
- Ornithine Decarboxylase Inhibitors
- Ornithine-Oxo-Acid Transaminase
- Ornithobacterium
- Ornithodoros
- Ornithogalum
- Oroantral Fistula
- Orobanchaceae
- Orobanche
- Orofaciodigital Syndromes
- Oropharyngeal Neoplasms
- Oropharynx
- Orosomucoid
- Orotate Phosphoribosyltransferase
- Orotic Acid
- Orotidine-5'-Phosphate Decarboxylase
- Orphan Drug Production
- Orphan Nuclear Receptors
- Orphanages
- Orphenadrine
- Orthobunyavirus
- Orthodontic Anchorage Procedures
- Orthodontic Appliance Design
- Orthodontic Appliances
- Orthodontic Appliances, Fixed
- Orthodontic Appliances, Functional
- Orthodontic Appliances, Removable
- Orthodontic Brackets
- Orthodontic Extrusion
- Orthodontic Friction
- Orthodontic Retainers
- Orthodontic Space Closure
- Orthodontic Wires
- Orthodontics
- Orthodontics, Corrective
- Orthodontics, Interceptive
- Orthodontics, Preventive
- Orthodontists
- Orthognathic Surgery
- Orthognathic Surgical Procedures
- Orthohepadnavirus
- Orthokeratologic Procedures
- Orthomolecular Therapy
- Orthomyxoviridae
- Orthomyxoviridae Infections
- Orthopedic Equipment
- Orthopedic Fixation Devices
- Orthopedic Nursing
- Orthopedic Procedures
- Orthopedic Surgeons
- Orthopedics
- Orthopoxvirus
- Orthopsychiatry
- Orthoptera
- Orthoptics
- Orthoreovirus
- Orthoreovirus, Avian
- Orthoreovirus, Mammalian
- Orthosiphon
- Orthostatic Intolerance
- Orthotic Devices
- Oryza
- Oryzias
- Oscillatoria
- Oscillometry
- Oseltamivir
- Osmeriformes
- Osmium
- Osmium Compounds
- Osmium Tetroxide
- Osmolar Concentration
- Osmometry
- Osmoregulation
- Osmosis
- Osmotic Fragility
- Osmotic Pressure
- Osseointegration
- Ossicular Prosthesis
- Ossicular Replacement
- Ossification of Posterior Longitudinal Ligament
- Ossification, Heterotopic
- Osteitis
- Osteitis Deformans
- Osteitis Fibrosa Cystica
- Osteoarthritis
- Osteoarthritis, Hip
- Osteoarthritis, Knee
- Osteoarthritis, Spine
- Osteoarthropathy, Primary Hypertrophic
- Osteoarthropathy, Secondary Hypertrophic
- Osteoblastoma
- Osteoblasts
- Osteocalcin
- Osteochondritis
- Osteochondritis Dissecans
- Osteochondrodysplasias
- Osteochondroma
- Osteochondromatosis
- Osteochondrosis
- Osteoclasts
- Osteocytes
- Osteogenesis
- Osteogenesis Imperfecta
- Osteogenesis, Distraction
- Osteology
- Osteolysis
- Osteolysis, Essential
- Osteoma
- Osteoma, Osteoid
- Osteomalacia
- Osteomyelitis
- Osteonecrosis
- Osteonectin
- Osteopathic Medicine
- Osteopathic Physicians
- Osteopetrosis
- Osteophyte
- Osteopoikilosis
- Osteopontin
- Osteoporosis
- Osteoporosis, Postmenopausal
- Osteoporotic Fractures
- Osteoprotegerin
- Osteoradionecrosis
- Osteosarcoma
- Osteosarcoma, Juxtacortical
- Osteosclerosis
- Osteotomy
- Osteotomy, Le Fort
- Osteotomy, Sagittal Split Ramus
- Ostertagia
- Ostertagiasis
- Ostomy
- Ostrea
- Ostreidae
- Otitis
- Otitis Externa
- Otitis Media
- Otitis Media with Effusion
- Otitis Media, Suppurative
- Otoacoustic Emissions, Spontaneous
- Otolaryngologists
- Otolaryngology
- Otolithic Membrane
- Otologic Surgical Procedures
- Otomycosis
- Otorhinolaryngologic Diseases
- Otorhinolaryngologic Neoplasms
- Otorhinolaryngologic Surgical Procedures
- Otosclerosis
- Otoscopes
- Otoscopy
- Ototoxicity
- Otters
- Ottoman Empire
- Otx Transcription Factors
- Ouabain
- Out-of-Hospital Cardiac Arrest
- Outcome Assessment, Health Care
- Outcome and Process Assessment, Health Care
- Outliers, DRG
- Outline
- Outpatient Clinics, Hospital
- Outpatients
- Outsourced Services
- Oval Window, Ear
- Ovalbumin
- Ovarian Cysts
- Ovarian Diseases
- Ovarian Follicle
- Ovarian Function Tests
- Ovarian Hyperstimulation Syndrome
- Ovarian Neoplasms
- Ovarian Reserve
- Ovariectomy
- Ovary
- Overall
- Overbite
- Overlearning
- Overnutrition
- Overweight
- Oviducts
- Oviparity
- Oviposition
- Ovomucin
- Ovotesticular Disorders of Sex Development
- Ovoviviparity
- Ovulation
- Ovulation Detection
- Ovulation Induction
- Ovulation Inhibition
- Ovulation Prediction
- Ovule
- Ovum
- Ovum Transport
- Ownership
- Oxacillin
- Oxadiazoles
- Oxalates
- Oxalic Acid
- Oxalidaceae
- Oxaliplatin
- Oxaloacetates
- Oxaloacetic Acid
- Oxalobacter formigenes
- Oxalobacteraceae
- Oxamic Acid
- Oxamniquine
- Oxandrolone
- Oxaprozin
- Oxathiins
- Oxazepam
- Oxazepines
- Oxazines
- Oxazocines
- Oxazoles
- Oxazolidinones
- Oxazolone
- Oxcarbazepine
- Oxepins
- Oxidants
- Oxidants, Photochemical
- Oxidation-Reduction
- Oxidative Coupling
- Oxidative Phosphorylation
- Oxidative Phosphorylation Coupling Factors
- Oxidative Stress
- Oxides
- Oxidopamine
- Oxidoreductases
- Oxidoreductases Acting on Aldehyde or Oxo Group Donors
- Oxidoreductases Acting on CH-CH Group Donors
- Oxidoreductases Acting on CH-NH Group Donors
- Oxidoreductases Acting on CH-NH2 Group Donors
- Oxidoreductases Acting on Sulfur Group Donors
- Oxidoreductases, N-Demethylating
- Oxidoreductases, O-Demethylating
- Oximes
- Oximetry
- Oxindoles
- Oxo-Acid-Lyases
- Oxocins
- Oxolinic Acid
- Oxonic Acid
- Oxotremorine
- Oxprenolol
- Oxyclozanide
- Oxycodone
- Oxyfedrine
- Oxygen
- Oxygen Compounds
- Oxygen Consumption
- Oxygen Inhalation Therapy
- Oxygen Isotopes
- Oxygen Radical Absorbance Capacity
- Oxygen Radioisotopes
- Oxygenases
- Oxygenators
- Oxygenators, Membrane
- Oxyhemoglobins
- Oxylipins
- Oxymetazoline
- Oxymetholone
- Oxymonadida
- Oxymorphone
- Oxyntomodulin
- Oxyphenbutazone
- Oxyphenisatin Acetate
- Oxyphenonium
- Oxyphil Cells
- Oxypurinol
- Oxyquinoline
- Oxysterols
- Oxytetracycline
- Oxythiamine
- Oxytocics
- Oxytocin
- Oxytricha
- Oxytropis
- Oxyuriasis
- Oxyurida
- Oxyurida Infections
- Oxyuroidea
- Ozone
- Ozone Depletion
Medical Subject Headings (MeSH)[edit source]
The Medical Subject Headings (MeSH) thesaurus is a controlled and hierarchically-organized vocabulary produced by the National Library of Medicine. It is used for indexing, cataloging, and searching of biomedical and health-related information. MeSH includes the subject headings appearing in MEDLINE/PubMed, the NLM Catalog, and other NLM databases.
Alphabetical list of medical subject headings
0-9 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
MeSH external links[edit source]
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