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).
Right ventricle
The lower right chamber of the heart that receives deoxygenated blood from the right atrium and pumps it under low pressure into the lungs via the pulmonary artery. The tricuspid valve is located between the right atrium and right…
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Show more- Meditation A self-directed practice for relaxing the body and calming the mind. Most meditative techniques have come to…
- Conjunctival melanoma See: Melanoma, conjunctival.
- Lymph node, sentinel The first lymph node ('gland') to receive lymphatic drainage from a tumor. Which lymph node is the sentinel…
- Bed bug A blood-sucking bug in the Cimex family that lives hidden in bedding or furniture, coming out at night to…
- Keratotic scabies See crusted scabies
- Thrombus A blood clot in a blood vessel or within the heart. From the Greek thrombos meaning a lump or clump, or a…
- Arbitration agreement The patient waives the right to sue the doctor and, instead, submit any dispute to arbitration. Arbitration…
- Tattoos & permanent makeup The intradermal application of inks for the purpose of tattooing or permanent makeup (also known as…
- Alcohol Abuse and Alcoholism, National Institute One of the National Institutes of Health, NIAAA's mission is to 'conduct research focused on improving the…
- Pharyngeal Having to do with the throat (pharynx)
- Christian Boehmer Anfinsen, Jr. See: Anfinsen, Christian Boehmer, Jr.
- Chancre The classic painless ulcer of syphilis. The chancre forms in the first (primary) stage of syphilis. It is…