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).
Ketoacidosis
A feature of uncontrolled diabetes mellitus characterized by a combination of ketosis and acidosis. Ketosis is the accumulation of substances called ketone bodies in the blood. Acidosis is increased acidity of the blood. Symptoms of…
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Show more- Vasa previa A condition in which blood vessels within the placenta or the umbilical cord are trapped between the fetus…
- Tomogram A radiograph (x-ray) of a selected layer of the body made by tomography. A tomogram is a two-dimensional…
- Pseudomelanosis coli Anosis coli): A benign, reversible condition usually, but not always, associated with long-term use of…
- Ear pit Tiny pit in front of the ear: preauricular pit. A minor anomaly of no great consequence in itself. More…
- Cancer, skin Cancer, skin: Cancer of the outer surface of the body. The most common cancer in the U.S. There are many…
- Acute abdomen The abrupt (acute) onset of abdominal pain. A potential medical emergency, an acute abdomen may reflect a…
- Fenfluramine A weight loss drug, in a class of drugs called anorectics which decrease appetite. This drug, sold in the US…
- Sandfly fever An acute mild viral disease characterized by fever, malaise, eye pain, and headache occurring mainly during…
- Libido 1. Sexual drive. 2. In psychoanalysis, the psychic energy from all instinctive biological drives. Libido in…
- Fatty acid, trans An unhealthy substance, also known as trans fat, made through the chemical process of hydrogenation of oils…
- Excess selenium Too much selenium (selenosis) which may cause reversible balding and brittle nails, give a garlic odor to the…
- Boutonneuse Fievre boutonneuse or African tick typhus, one of the tick-borne rickettsial diseases of the eastern…