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).
Epitope
A single antigenic site on a protein against which an antibody reacts
Read the definitionRandom terms
Show more- Stem cell transplantation The use of stem cells as a treatment for cancer or other diseases: > >The stem cells are removed (or…
- Silicatosis See: Silicosis
- Replication, DNA A wondrous complex process whereby the ('parent') strands of DNA in the double helix are separated and each…
- Cyst, ovarian A fluid-filled sac in the ovary. The most common type of ovarian cyst is called a follicular cyst. It results…
- Allergy, peanut See: Peanut allergy
- Lichen planus Lichen planus: A common skin disease with small itchy pink or purple spots on the arms or legs. The lesions…
- Hepatotoxic Injurious to the liver. For example, acetaminophen (Tylenol) can be hepatotoxic.
- Muscle, psoas Muscles of the lower back (the loin). There are two psoas muscles on each side of the back. The larger of the…
- Nerve, sixth cranial The sixth cranial nerve is the abducent nerve, a small motor nerve that has one task: to supply a muscle…
- Sleep, rapid eye movement Sleep, rapid eye movement: REM sleep is the portion of sleep when there are rapid eye movements (REMs)…
- PMR (Polymyalgia Rheumatica) Polymyalgia Rheumatica: A disorder of the muscles and joints of older persons characterized by pain and…
- Amygdala 1. The amygdaloid nucleus in the brain. 2. The tonsils. These structures were so named because they appeared…