MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Valve, pulmonary
One of the four valves in the heart, the pulmonary valve stands at the opening from the right ventricle in the pulmonary artery trunk. It lets blood head in the right direction (toward the lungs) and keeps it from sloshing back from the…
Read the definitionRandom terms
Show more- Collagen injection The practice of injecting collagen into a part of the face or body to make it larger, most often performed on…
- Physical child abuse See: Normal growth.
- Pneumonia, bilateral Pneumonia in both lungs. Bilateral pulmonary inflammation. Familiarly known as double pneumonia
- Abuse, physical child Next to child neglect, physical abuse is the second most frequently reported form of child abuse, accounting…
- Aneurysm, renal An aneurysm involving the kidney. An aneurysm is a localized widening (dilatation) of an artery, vein, or the…
- Sinus tachycardia A fast heartbeat (tachycardia) because of rapid firing of the sinoatrial (sinus) node. The sinoatrial (or…
- PLP See: Proteolipid protein
- Syndrome, tooth and nail A genetic disorder characterized by the absence of several teeth at birth and abnormalities of the nails. The…
- Familial Parkinson disease type 11 A familial form of Parkinson disease inherited in an autosomal dominant manner due to a gene on chromosome…
- House Hospital. As in house officer, house staff, and house surgeon
- Autochthonous (Pronounced au-toch-tho-nous)1. Native. Poison ivy is an autochthonous plant. 2. Found in the place where it…
- Clinical investigator A medical researcher who carries out a clinical trial or another type of clinical research