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).
Leukemia, myelogenous
Condition in which the bone marrow makes too many white blood cells. Early symptoms include fatigue and night sweats. Treatment may be by radiation, chemotherapy, biological therapy, or bone- marrow transplant. Also known as chronic…
Read the definitionRandom terms
Show more- Microscopic anatomy The study of the form of structures seen under the microscope, as opposed to gross anatomy which involves…
- Syndrome, adult respiratory distress Better known as ARDS. See: ARDS
- Nat'l Institute of Diabetes, Digestive and Kidney Y Diseases (NIDDK): One of the National Institutes of Health in the U.S., the NIDDK has a multisystem name…
- Mutagen Something capable of causing a gene-change. Among the known mutagens are radiation, certain chemicals and…
- Deoxyribonucleic acid DNA. One of two types of molecules that encode genetic information. (The other is RNA. In humans DNA is the…
- Ear pit Tiny pit in front of the ear: preauricular pit. A minor anomaly of no great consequence in itself. More…
- Cow genome See: Bovine genome
- Osteopetrosis Thickening of the bones which become abnormally dense due an inherited defect in bone resorption -- the…
- Gigantism, pituitary Excessive growth and height due to chronic overactivity of the pituitary gland (at the base of the brain)…
- Urinary calculus A stone in the urinary tract. The word 'calculus' in Latin means 'a pebble.' Pebbles were once used for…
- Dyspnea Difficult or labored breathing; shortness of breath. Dyspnea is a sign of serious disease of the airway…
- Nannycam See: Nanny cam