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).
Blood pressure, high
Also known as hypertension, high blood pressure is, by definition, a repeatedly elevated blood pressure exceeding 140 over 90 mmHg -- a systolic pressure above 140 with a diastolic pressure above 90. Chronic hypertension is a 'silent'…
Read the definitionRandom terms
Show more- PAT Paroxysmal atrial tachycardia
- Adductor muscle Any muscle that pulls a body part toward the midline. For example, the adductor muscles of the legs pull the…
- Absorption Uptake. In the biomedical sciences, absorption has diverse specific meanings. In the body, absorption is the…
- Histamine cephalalgia A distinctive syndrome of headaches, also known as cluster headache or migrainous neuralgia. The common…
- Meniscus, lateral knee The word 'meniscus' refers to a crescent-shaped structure. The lateral meniscus of the knee is a thickened…
- Molecules, recombinant DNA A combination of DNA molecules of different origin that are joined using recombinant DNA technology
- Catalysis The process by which a substance speeds up a chemical reaction without being consumed or altered in the…
- Locomotion Movement from one place to another. And the ability to locomote, to get from one place to the next. The…
- Alanine aminotransferase (ALT) An enzyme that is normally present in liver and heart cells. ALT is released into blood when the liver or…
- Sandfly fever An acute mild viral disease characterized by fever, malaise, eye pain, and headache occurring mainly during…
- Duct, hepatic See: Hepatic duct
- Heterochromatin, facultative Heterochromatin that need not always be heterochromatic but which has the faculty to return to the normal…