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).
Articulation disorder
The inability to correctly produce speech sounds (phonemes) because of the imprecise placement, timing, pressure, speed, or flow of movement of the lips, tongue, or throat. With an articulation disorder, there is difficulty producing and…
Read the definitionRandom terms
Show more- Deuterium A non-radioactive isotope of hydrogen that contains a neutron in its nucleus in addition to the one proton…
- Marker chromosome An abnormal chromosome that is distinctive in appearance but not fully identified. A marker chromosome is not…
- Potassium balance The balance between too much potassium and, far more often today, too little potassium. Adults should consume…
- PANDAS An acronym for Pediatric Autoimmune Disorders Associated with Strep. PANDAS is the sudden onset of symptoms…
- Lumbar strain A stretching injury to the ligaments, tendons, and/or muscles of the low back. The stretching incident…
- Fear of cold An abnormal and persistent fear of cold, including cold weather and cold objects. Sufferers of this fear…
- Rheumatic fever An illness that occurs following a streptococcus infection (such as a 'strep throat') or scarlet fever and…
- Asbestos Asbestos: A natural material made up of tiny fibers which can lodge in the lungs and lead to cancer or…
- Middle ear infection, acute Acute middle ear infection, medically called acute otitis media is inflammation of the middle ear. Acute…
- Placenta praevia A placenta implanted near the outlet of the uterus, so that at the time of delivery the placenta precedes the…
- SAPHO syndrome SAPHO syndrome: SAPHO syndrome is an eponym for a condition which is characterized by a combination of: >…
- Dander Tiny scales shed from human or animal skin or hair. Dander floats in the air, settles on surfaces and makes…