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).
Sleep paralysis
A frightening form of paralysis that occurs when a person suddenly finds himself or herself unable to move for a few minutes, most often upon falling asleep or waking up. Sleep paralysis is due to an ill-timed disconnection between the…
Read the definitionRandom terms
Show more- Pouch of Douglas >Culdoscopy, the introduction of an endoscope through the vagina into the cul-de-sac; >Culdoscope, the…
- Targeted radiation therapy A procedure that uses computers to create a 3-dimensional picture of the tumor in order to target the tumor…
- Sitosterolemia A genetic disease involving lipids (fats) in which there is excessive intestinal absorption of dietary…
- Procollagen A precursor (forerunner) of collagen, the protein that adds strength and support to many body tissues
- Giant cell pneumonia Pneumonia: Also known as Hecht's pneumonia, this is a deadly but fortunately rare complication of measles. It…
- Medifast diet The Medifast diet is a low-fat, low-calorie weight loss plan based upon the consumption of specific foods and…
- Reflux laryngitis Reflux laryngitis: Inflammation of the voice box (the larynx) caused by stomach acid backing up into the…
- Coenzyme Q10 A compound needed for the proper functioning of an enzyme, a protein that speeds up the rate at which…
- Selective Estrogen-Receptor Modulator (SERM) A 'designer estrogen' which possesses some, but not all, of the actions of estrogen. For example, raloxifene…
- Intelligence test A questionnaire or series of exercises designed to measure intelligence. It is generally understood that…
- Musicotherapy See: Music therapy
- PCO disease >Irregular or no periods >Acne >Obesity, and >Excess hair growth. All women with PCO have irregular or no…