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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Aromatase
An enzyme involved in the production of estrogen that acts by catalyzing the conversion of testosterone (an androgen) to estradiol (an estrogen). Aromatase is located in estrogen-producing cells in the adrenal glands, ovaries, placenta…
Read the definitionRandom terms
Show more- Mastocytoma A form of mastocytosis characterized by a benign nodular skin tumor infiltrated by mast cells. Usually…
- Eyelid myokymia Fine continuous contractions of the eyelid muscle, typically involving one of the lower eyelids, less often…
- Ethnography The study of specific human cultures. The branch of anthropology that deals with the scientific description…
- Sclerodactyly Localized thickening and tightness of the skin of the fingers or toes. Sclerodactyly is commonly associated…
- PVC Premature ventricular contraction. See: Extrasystole
- Homeopathy A system of therapy based on the concept that disease can be treated with drugs (in minute doses) thought…
- Pressure neuropathy Neuropathy: 'Pinching' a nerve by putting too much pressure on it. For example, the sciatic nerve may be…
- Sulcus A groove, crevice, or furrow. In medicine, there are many sulci (plural of sulcus) as, for example, the…
- Transverse fracture A fracture in which the break is across the bone, at a right angle to the long axis of the bone. NTER>
- Hybridization, fluorescent in situ An important molecular cytogenetic method for identifying chromosomes and parts of chromosomes, deciphering…
- Flax seed The seed of the common flax plant (also known as linseed and, botanically, Linum usitatissimum). Flax seed…
- Genetic screening Testing a population to identify individuals at risk for a genetic disease or for transmitting it. Newborns…