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).
Rash
Rash: Breaking out (eruption) of the skin. Medically, a rash is referred to as an exanthem.
Read the definitionRandom terms
Show more- Liver disease Liver disease refers to any disorder of the liver. The liver is a large organ in the upper right abdomen that…
- Diabetes, insulin-dependent Also called type 1 diabetes. See Diabetes, type 1
- Pilonidal sinus A sinus tract from which there may be chronic drainage of pus, due to an embedded tuft of hair, most often in…
- Board certified Board certified in medicine means a physician has taken and passed a medical specialty examination. Board…
- Ophthalmoscopy Examination of the interior of the eye, including the lens, retina and optic nerve, by indirect or direct…
- Third stage of labor The part of labor from the birth of the baby until the placenta (afterbirth) and fetal membranes are…
- Venous catheter, central See: Catheter, central venous
- DNA repair pathway The sequence of steps in the repair of DNA. Each step is governed by an enzyme.
- Orthopedist An orthopaedic surgeon, orthopaedics being the branch of surgery broadly concerned with the skeletal system…
- Mortality rate A death rate. There are a number of different types of mortality rates as, for examples, the following: >…
- Implantable cardiac defibrillator Implantable cardiac defibrillator: A device that is put within the body and is designed to recognize certain…
- Papillomatosis A disorder with numerous papillomas wart growths). For example, laryngeal papillomatosis is the presence of…