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).
Staphylococcus
A group of bacteria that cause a multitude of diseases. Under a microscope, Staphylococcus bacteria are round and bunched together. They can cause illness directly by infection, or indirectly through products they make, such as the toxins…
Read the definitionRandom terms
Show more- Enanthem A rash inside the body. An example: the spots in measles (Koplik's spots) inside the mouth that look like a…
- Urethritis Inflammation of the urethra. (The urethra is the transport tube leading from the bladder to discharge urine…
- Velamentous insertion of umbilical cord An abnormal condition in which the umbilical cord does not insert into the placental mass but, instead…
- Temperature The temperature is the specific degree of hotness or coldness of the body. It is usually measured with a…
- Auricle 1. The principal projecting part of the ear. Also called the pinna.2. Something ear shaped such as the upper…
- Colitis, amebic Amebic dysentery (inflammation of the intestine) with ulcers in the colon due to infection with an ameba…
- CSF (cerebrospinal fluid) A watery fluid, continuously produced and absorbed, which flows in the ventricles (cavities) within the brain…
- Infection, opportunistic An infection that occurs because of a weakened immune system. Opportunistic infections are a particular…
- Compression 1. The act of pressing together. As in a compression fracture, nerve compression, or spinal cord compression…
- Superaspirin A class of drugs that act in certain but not all ways like aspirin. Also known as Cox-2 inhibitors, these…
- Portal vein A large vein that carries blood from the stomach and the intestines to the liver. The portal vein is formed…
- Cholesterol lowering with niacin Niacin or nicotinic acid, one of the water-soluble B vitamins, improves all lipoproteins when given in doses…