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).
Antigenic drift
A mechanism for variation by viruses that involves the accumulation of mutations within the antibody-binding sites so that the resulting viruses cannot be inhibited well by antibodies against previous strains making it easier for them to…
Read the definitionRandom terms
Show more- Protein, acute phase See: Acute-phase protein
- Xanth- (prefix) A colorful prefix relating to a yellow color. 'Xanth-' is related to the word 'xanthic' which has its roots…
- Chin Medically, the mentum. The lower portion of the face below the lower lip including the prominence of the…
- Biventricular assist device A ventricular assist device that helps both ventricles of the heart. It helps the right ventricle of the…
- Chronic bacterial prostatitis Prostatitis: Longstanding bacterial infection of the prostate gland superimposed on a defect in the prostate…
- Nephritis, interstitial Nephritis due to disorders of the connective tissue within the kidney, severe allergic reactions, exposure to…
- Hammer The malleus
- Phenolphthalein A compound used as a laboratory reagent and acid-base indicator and also used in over-the-counter (OTC)…
- Septic arthritis Arthritis:
- Pneumonia Pneumonia: Inflammation of one or both lungs with consolidation. Pneumonia is frequently but not always due…
- Anesthesiologist A physician or, less often, a dentist who is specialized in the practice of anesthesiology, the branch of…
- NIA (National Institute on Aging) One of the US National Institutes of Health (NIH). The mission of the National Institute on Aging is to 'lead…