MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Fatigue
A condition characterized by a lessened capacity for work and reduced efficiency of accomplishment, usually accompanied by a feeling of weariness and tiredness. Fatigue can be acute and come on suddenly or chronic and persist. 'Fatigue' is…
Read the definitionRandom terms
Show more- Q arm of a chromosome The long arm of a chromosome. All human chromosomes have 2 arms -- a short arm and a long arm -- that are…
- Intramuscular (IM) An intramuscular (IM) medication is given by needle into the muscle. This is as opposed to a medication that…
- JC virus (JCV) A virus that commonly causes infections of no consequence in children with a normal immune system but…
- Meningitis, neoplastic A condition due to cancer that has spread from the original (primary) tumor to the meninges, the tissue…
- Plethoric Florid, red-faced.
- Score, Gleason A grading system for prostate carcinoma. See Gleason score
- Randomized clinical trial A clinical trial in which the participants are assigned randomly (by chance alone) to different treatments…
- Hives Hives: A raised, itchy area of skin that is usually a sign of an allergic reaction. It can be rounded or…
- Azotemia A higher than normal blood level of urea or other nitrogen containing compounds in the blood. The hallmark…
- Perineum The area between the anus and the scrotum in the male and between the anus and the vulva (the labial opening…
- Fear of horses An abnormal and persistent fear of horses. Sufferers of this fear experience undue anxiety even when a horse…
- Zomig Brand name for zolmitriptan, a triptan drug for the treatment of migraine