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).
Syndrome, thoracic outlet
A condition due to compromise of blood vessels or nerve fibers between the armpit (axilla) and base of the neck, usually due to compression of nerves or blood vessels between the neck and shoulders. Symptoms include pain, arm weakness, and…
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Show more- Melanocyte A pigment-producing cell in the skin, hair and eye that determines their color. The pigment that melanocytes…
- Pregnancy, hyperemesis of Excessive vomiting during pregnancy which, by definition, leads to the loss of 5% or more of the body weight…
- Landry ascending paralysis A particularly virulent form of Guillain-Barre syndrome. The disorder often begins with a flu-like illness…
- Immunodepressant An agent that can depress or prevent the immune response. See: Immunosuppressant
- Acute membranous gingivitis This is trench mouth, a progressive painful infection with ulceration, swelling and sloughing off of dead…
- LN2 Liquid nitrogen
- Alzheimer disease, early-onset familial Alzheimer disease that runs in families and strikes at an unusually early age (with its onset under the age…
- Menopause, chemical Menopause, chemical: Menopause induced by chemotherapy or other chemicals or medications. Chemical menopause…
- Curette A spoon-shaped instrument with a sharp edge. The word 'curette' comes from the French and means a 'scraper.'…
- Dowager's hump An abnormal outward curvature of the vertebrae of upper back. Compression of the front (anterior) portion of…
- Secretase, beta- An enzyme that appears to be directly involved in the early development of Alzheimer's disease…
- Dander Tiny scales shed from human or animal skin or hair. Dander floats in the air, settles on surfaces and makes…