MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
The most complete online medical dictionary: 16,436 terms covering anatomy, physiology, pathologies, diagnostic exams, pharmacology and every clinical specialty.
Designed for 3 kinds of users:
- Patients and family who want to understand a diagnosis, a medical report or instructions from a doctor.
- Students of medicine, nursing, physiotherapy and the health professions, dealing with technical terminology.
- Doctors, pharmacists and healthcare workers who need a quick and reliable reference.
Definitions are written in clear, accessible language while keeping the rigor required for professional use. Each term has a dedicated URL, instant autocomplete search, and can be shared on WhatsApp, Facebook, X and via email with one click.
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Disclaimer: the content is for informational and educational purposes only and does not replace medical advice. If you have doubts about your health, always consult a qualified professional. In case of emergency call your local emergency number (911 in the US, 112 in the EU).
Longevity
Lifespan. (With increasing longevity, women will soon be postmenopausal for one third of their lives)
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Show more- Meningitis Inflammation of the meninges, usually due to a bacterial infection but sometimes from viral, protozoan, or…
- Addison anemia Anemia: A blood disorder caused by a lack of vitamin B12. Patients who have this disorder do not produce the…
- Arrhythmias, rapid Abnormally rapid heart rhythms, medically termed tachycardia
- Myelitis, transverse A disease of the spinal cord in which there is demyelination (erosion of the myelin sheath that normally…
- Syndrome, autoimmune polyendocrinopathy A genetic autoimmune disease with an extraordinary array of clinical features but characterized most often by…
- Peripheral neuropathy Peripheral neuropathy: A problem with the functioning of the nerves outside the spinal cord. Symptoms may…
- External radiation therapy Radiation therapy using a machine located outside the body to aim high-energy rays at a tumor.
- Glutamic acid An amino acid, one of the 20 building blocks of protein. A nonessential amino acid, glutamic acid is present…
- Hard palate The bony part of the roof of the mouth. The hard palate is the front of the palate and is in front of the…
- Trich- (prefix) Pertaining to hair. As in trichinosis, a disease due to the parasite Trichinella spiralis which was thought…
- Lobar Having to do with a lobe. For example, lobar pneumonia.
- Fetal mortality rate The ratio of fetal deaths divided by the sum of the births (the live births + the fetal deaths) in that year…