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).
Index, body mass (BMI)
An index that relates body weight to height. The body mass index (BMI) is obtained by dividing a person's weight in kilograms (kg) by their height in meters (m) squared. The National Institutes of Health (NIH) now defines normal weight…
Read the definitionRandom terms
Show more- Paraesthesia See: Paresthesia
- Migraine without aura See: Common migraine
- Glass eye 1. A globe of glass that looks like and is intended to replace the eyeball.2. By extension, a real eye that…
- Digital rectal exam ): An exam to detect abnormalities that can be felt (palpated) from within the rectum. The doctor inserts a…
- Absolute CD4 count The number of 'helper' CD4 T-lymphocytes in a cubic millimeter of blood. With HIV, the absolute CD4 count…
- Tocolysis The delaying or inhibition of labor during the birth process
- Thumb The short thick finger situated at an angle to the other fingers so it can be opposed to the them, making it…
- Contraceptive, injectable progestin Injectable progestin (Depo-Provera) was approved by the U.S. Food and Drug Administration (FDA) for…
- Hospice care Care designed to give supportive care to people in the final phase of a terminal illness and focus on comfort…
- Reabsorption Absorbing again. For example, the kidney selectively reabsorbs substances such as glucose, proteins, and…
- Deep vein thrombosis Deep vein thrombosis: A blood clot (thrombus) in a deep vein in the thigh or leg. The clot can break off as…
- Scleromalacia Degenerative thinning of the sclera, the tough white coat that covers most of the back of the eyeball and…