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).
Melanoma, acral-lentiginous
One of the four clinical types of malignant melanoma, uncommon in whites but the most common type in nonwhites. It starts as an irregular enlarging black flat spot (macule), most often on the palm and sole, less often on a mucosal surface…
Read the definitionRandom terms
Show more- Carrier test A test designed to detect carriers of a gene for recessive genetic disorder. For example, carrier testing is…
- Neonatal intensive care unit An intensive care unit designed for premature and ill newborn babies. Abbreviated NICU. Also called a newborn…
- Menstrual migraine A migraine headache that affects a woman each month between the 2nd day before the start of the menstrual…
- Ascariasis Infection with Ascaris lubricoides, the intestinal roundworm, the most common worm infection in humans…
- Heart muscle A type of muscle with unique features only found in the heart. The heart muscle, or cardiac muscle, is…
- Colon cancer, family history of The presence of a history of colorectal cancer in a family. The colon cancer risk is higher if an immediate…
- Connectionism >An input device receiving signals from the environment or from other neurons, >An integrative device…
- Indicate In medicine, to make a treatment or procedure advisable because of a particular condition or circumstance…
- D & C Dilatation and curettage, a minor operation in which the cervix is expanded enough (dilatation) to permit the…
- Snake 1. A long limbless scaly reptile, some being poisonous. 2. The symbol of rejuvenation and healing in many…
- Muscular dystrophy, facioscapulohumeral A form of muscular dystrophy that begins before age 20 with slowly progressive weakness of the muscles of the…
- Infant mortality rate The number of children dying under a year of age divided by the number of live births that year. The infant…