MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Lentigo
A type of freckle that is a small tan, brown, or black spot which tends to be darker than the usual (ephelis-type) freckle and which do not fade in the winter. This kind of spot is referred to as lentigo simplex. Although lentigines may be…
Read the definitionRandom terms
Show more- Intrauterine In the uterus (the womb). As opposed to extrauterine: outside the uterus. For example, normal pregnancies are…
- Medication, beta-blocker Drugs that antagonize the action of adrenaline (a beta adrenergic substance) and relieve stress to the heart…
- Test, triglyceride Triglycerides are the major form of fat. Triglycerides come from the food we eat and are produced by the…
- Dizygotic twin A twins who have shared a common uterine environment with its twin but is due to a different fertilized ovum…
- Base pair Two DNA bases complementary to one another (A and T or G and C) that join the complementary strands of DNA to…
- Moral behavior center An area of the brain in what is known as the prefrontal cortex. Children who suffer damage before 16 months…
- Colostomy An alternative exit from the colon created to divert waste through a hole in the colon and through the wall…
- Aspartame A man-made sweetener with almost no calories used in place of sugar. A diet program with aspartame and…
- Syphilitic 1. Relating to syphilis, caused by it, or suffering from it.2. A person with syphilis. From the French…
- Calorie A unit of food energy. In nutrition terms, the word calorie is used instead of the more precise scientific…
- EFEMP1 A gene that encodes a protein with the long, complex name of EGF-containing fibulin-like extracellular matrix…
- Marinesco-Sjogren syndrome Syndrome: A genetic disorder characterized by very small stature, cerebellar ataxia (wobbliness), cataracts…