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).
Iris, speckled
Due to little white (or lightly colored) spots that are slightly elevated on the surface of the iris. These spots, arranged in a ring concentric with the pupil, occur in normal children but are far more frequent in Down's syndrome (trisomy…
Read the definitionRandom terms
Show more- Off-pump CABG A coronary artery bypass graft (CABG) done without putting the patient on the heart-lung machine. Off-pump…
- Papilloma, cutaneous A small tag of skin that may have a stalk (a peduncle). Cutaneous papillomas may appear on the skin almost…
- Artificial insemination A procedure in which a fine catheter (tube) is inserted through the cervix (the natural opening of the…
- Aqueduct of the midbrain A canal that communicates between the third and fourth ventricles in a system of four communicating cavities…
- Quackery Deliberate misrepresentation of the ability of a substance or device for the prevention or treatment of…
- Sodium The major positive ion (cation) in fluid outside of cells. The chemical notation for sodium is Na+. When…
- Deficiency, magnesium Can occur due to inadequate intake or impaired intestinal absorption of magnesium. Low magnesium…
- PVS Pigmented villonodular synovitis
- Esotropia Cross-eyed or, in medical terms, convergent or internal strabismus
- Orthopaedist An orthopaedic surgeon, a doctor who corrects congenital or functional abnormalities of the bones with…
- Curable Amenable to a cure, capable of being cured, to being healed and made well. Most skin cancers, fortunately…
- Interphase The interval in the cell cycle between two cell divisions when the individual chromosomes cannot be…