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).
Nearsightedness
The ability to see near objects more clearly than distant objects. Also called myopia . Myopia can be caused by a longer-than-normal eyeball or by any condition that prevents light rays from focusing on the retina. Most forms of myopia can…
Read the definitionRandom terms
Show more- Targeted radiation therapy A procedure that uses computers to create a 3-dimensional picture of the tumor in order to target the tumor…
- Urethral sphincter >Internal sphincter: Part of the muscular bladder wall acts as the internal urethral sphincter and prevents…
- Genome, roundworm See: Yeast genome.
- Turbinectomy Removal of a turbinate bone. The turbinate is a bone in the nose; it is an extension of the ethmoid bone, is…
- Central venous catheter See: Catheter, central venous
- Open wound An injury that is exposed due to broken skin. An open wound is at high risk for infection
- C5 (cervical vertebra) The fifth cervical (neck) vertebra from the top
- Ear ringing Together with other abnormal ear noises, ear ringing is medically called tinnitus. Tinnitus can arise in any…
- Hip dislocation, congenital The abnormal formation of the hip joint in which the ball at the top of the thighbone (the femoral head) is…
- Norplant contraceptive Implantable progestin in the form of Norplant was approved by the U.S. Food and Drug Administration (FDA) for…
- Myo- (prefix) A prefix denoting a relationship to muscle. Myo- enters into many words and terms in medicine including…
- Tanapox A poxvirus infection common in equatorial Africa. The disease starts with mild fever for 2 to 4 days…