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).
Heat rash
Heat rash: Heat rash is an irritation of the skin that results from excessive sweating during hot and humid weather. Heat rash appears as clusters of red pimples or blisters on the skin. It is more likely to occur on the neck and upper…
Read the definitionRandom terms
Show more- Parasite >Protozoa -- Malaria is caused by plasmodium, a protozoa, a single-cell organism that can only divide within…
- Intraepithelial Within the layer of cells that forms the surface or lining of an organ
- CIC Completely-in-the-canal (the ear canal). See: Completely-in-the-canal hearing aid. See also: Hearing aid
- MEF2A A transcription factor that participates in vascular development. MEF2A is a member of the myocyte enhancer…
- Acapnia Less than the normal level of carbon dioxide in the blood. The opposite of hypercapnia. The origin of the…
- Biliary atresia Congenital absence or closure of the major bile ducts, the ducts that drain bile from the liver. Biliary…
- Joint >Gliding -- one bony surface glides on another without angular or rotatory movement; >Angular -- occurs only…
- Paraquat lung Lung disease caused by the contact herbicide paraquat which selectively accumulates in the lungs and is…
- Aspiration pneumonia Pneumonia: Infection of the lungs due to aspiration (the sucking in of food particles or fluids into the…
- Lassa fever An acute viral infection found in the tropics, especially in West Africa. Epidemics of Lassa fever have…
- Daughter 1. A female offspring. 2. A female adopted child. 3. A product of radioactive decay. 4. A cell resulting from…
- Atrial fibrillation Atrial fibrillation: Abnormal irregular heart rhythm with chaotic generation of electrical signals in the…