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).
Inhibitory RNA
See: RNA inactivation; and RNA interference
Read the definitionRandom terms
Show more- Lassitude Weakness, weariness, listlessness, exhaustion, lethargy. For example, the patient complained of lassitude…
- Cradle cam See: Kiddie cam
- Encephalomyelitis Inflammation of both the brain and the spinal cord. Encephalomyelitis can be caused by a variety of…
- Genitalia, female external See: Female external genitalia
- Mucus colitis A common gastrointestinal disorder involving an abnormal condition of gut contractions (motility)…
- Urethra The transport tube leading from the bladder to discharge urine outside the body. In males, the urethra…
- Moyamoya A pattern of progressive obstructive and occlusive cerebral arteritis (inflammation of the cerebral arteries…
- Low vision A visual impairment, not corrected by standard glasses, contact lenses, medicine, or surgery, that interferes…
- Palsy, laryngeal nerve Paralysis of the larynx (voice box) caused by damage to the recurrent laryngeal nerve or its parent nerve…
- Kneecap The medical name for the kneecap is the patella. Whichever name -- kneecap or patella -- you prefer, it is…
- HHV-5 Human herpesvirus 5. See cytomegalovirus.
- Aerotitis Middle ear problems due to changing atmospheric pressures, as when a plane descends to land. The problems…