MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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.
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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.
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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).
Focal dystonia due to blepharospasm
The involuntary forcible closure of the eyelid due to spasms. The first symptoms may be uncontrollable blinking. Only one eye may be affected initially, but eventually both eyes are usually involved. The spasms may leave the eyelids…
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Show more- Fear of travel An irrational and unreasonable fear of travel is called agoraphobia. Agoraphobia is a very complex phobia. It…
- Burn, third degree A burn in which the damage has progressed to the point of skin death. The skin is white and without sensation
- Osler-Rendu-Weber syndrome See: Hereditary hemorrhagic telangiectasia
- Yeast artificial chromosome (YAC) A vector (carrier) created and used in the laboratory to clone pieces of DNA. A YAC is constructed from the…
- Red blood cells The blood cells that carry oxygen. Red cells contain hemoglobin and it is the hemoglobin which permits them…
- Cancer, leukemia Leukemia is a cancer of the white blood cells. Leukemias are grouped by how quickly the disease develops…
- Reading frame, open See: Open reading frame
- Disease, polycystic kidney See Polycystic kidney disease
- EOG Electro-oculography. A type of electrophysiologic retinal testing
- Keratoconus Keratoconus: Cone-shaped cornea with the apex of the cone being forward. Also called conical cornea.
- Multiple organ failure A term synonymous with multiple system failure and equally vague and nonspecific. See: Multiple system failure
- Excisional biopsy A biopsy in which an entire biopsy in which an entire lesion, is removed. A excisional biopsy is in contrast…