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).
Immunity, active
Immunity, active: The production of antibodies against a specific agent by the immune system. Active immunity can be acquired in two ways, by contracting an infectious disease such as chickenpox or by receiving a vaccination such as…
Read the definitionRandom terms
Show more- Heterochromatin, constitutive Heterochromatin that is fixed and irreversible. Regions of constitutive heterochromatin are located at very…
- Brainstem auditory evoked potentials See: ABR test
- Fear of money An abnormal and persistent fear of money. Sufferers experience undue anxiety even though they realize their…
- Diplopia, binocular Double vision (diplopia) that is only evident when looking through both eyes and disappears if one eye is…
- Progressive cardiomyopathic lentiginosis See: LEOPARD syndrome
- LL 1. Lower lid (of the eye). 2. Lower limit. The recommended LL for potassium intake is 4.7 grams per day for…
- Colonic 1. See: Colonic (adjective). 2. See: Colonic (noun)
- Gonarthritis Inflammation of the knee joint
- Pleural space The tiny area between the two layers of the pleura (the thin covering that protects and cushions the lungs)…
- Hybrid The word 'hybrid' has a number of different biomedical meanings. In transmission genetics, a hybrid is the…
- Implant 1. To embed; to set in firmly. In embryology, the fertilized egg implants in the uterine lining 6 or 7 days…
- Vaginoscopy The use of a viewing instrument to visualize the vaginal canal. Most commonly, a form of endoscope is used in…