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).
MtDNA
Mitochondrial DNA (mtDNA) is the DNA of the mitochondrion, a structure situated in the cytoplasm of the cell rather than in the nucleus (where all the other chromosomes are located). All mtDNA is inherited from the mother. There are 2 to…
Read the definitionRandom terms
Show more- BER Base excision repair
- Frostbite Frostbite: Damage to tissues from freezing due to the formation of ice crystals within cells, rupturing the…
- Dutch-Kentucky syndrome See: Hecht syndrome
- Cancer, lymphoma, Hodgkin (adult) A type of lymphoma (cancer of the lymphatic system). The most common symptom of Hodgkin disease is a painless…
- Tuberculosis, drug-resistant Tuberculosis (TB) that does not respond to drug treatment. Drug-resistant TB has become a very serious…
- Alkaloid A member of a large group of chemicals that are made by plants and have nitrogen in them. Many alkaloids…
- Minimal change disease The most common form of the nephrotic syndrome, a kidney disorder that affects the structures called…
- Plummer's disease Toxic multinodular goiter. Also called Parry's disease
- Tachycardia, paroxysmal atrial A fast heartbeat (tachycardia) because of rapid firing of the sinoatrial (sinus) node. The sinoatrial (or…
- Benzene A sweet smelling, highly toxic hydrocarbon. Long-term exposure to benzene is known to cause anemia and…
- Gastritis Gastritis: Inflammation of the stomach. From the Latin gastricus meaning stomach + -itis, meaning…
- Hysterectomy, partial The uterus is surgically removed but the cervix is left is left in place. Also called a subtotal hysterectomy