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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Small calorie (Calorie)
A type of lung cancer in which the cells appear small and round under the microscope. Also called oat cell lung cancer.
Read the definitionRandom terms
Show more- Hepatitis G A virus first identified in 1995 that is genetically related to the hepatitis C virus but which does not…
- Etymology, medical See: Medical etymology
- Disease, Ramsay Hunt See: Ramsay Hunt syndrome
- Antimicrobial medication A drug used to treat a microbial infection. The term 'antimicrobial' is a general one that refers to a group…
- H. flu immunization This immunization is designed to prevent disease due to Haemophilus influenzae (H. flu), specifically…
- Insufficiency, aortic See: Aortic insufficiency
- Intubation The process of putting a tube into a hollow organ or passageway, often into the airway. The opposite of…
- Pediatric end stage liver disease See: PELD
- Muscle, adductor Any muscle that pulls a body part toward the midline of the body. For example, the adductor muscles of the…
- Teratoma, ovarian Also called a dermoid cyst of the ovary, this is a bizarre tumor, usually benign, in the ovary that typically…
- Syndrome, Tourette Syndrome, Tourette: A tic disorder characterized by the presence of chronic vocal and motor tics, probably…
- Alpha blocker A drug that blocks receptors in arteries and smooth muscle. This action relaxes the blood vessels and leads…