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.
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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).
Anophthalmia
Absence of the eye, as a result of a congenital malformation (birth defect) of the globe. Anophthalmia refers, strictly speaking, to absence of the globe and ocular tissue from the orbit. However, in most cases of anophthalmia, CT scans…
Read the definitionRandom terms
Show more- Urethra The transport tube leading from the bladder to discharge urine outside the body. In males, the urethra…
- Muir-Torre syndrome A genetic syndrome characterized by a combination of sebaceous tumors of the skin and one or more internal…
- Writer's cramp A dystonia that affects the muscles of the hand and sometimes the forearm and only occurs during handwriting…
- Eye, dry See: Dry eye
- LAMB syndrome Acronym for Lentigines, Atrial myxomas, Mucocutaneous myxomas, and Blue nevi. Now included in the Carney…
- Dieldrin A chlorinated hydrocarbon insecticide. See: Aldrin and dieldrin
- IU (international unit) An international unit (IU) is an internationally accepted amount of a substance. This type of measure is used…
- Allergic contact eczema Also called allergic contact dermatitis, this is a red, itchy, weepy reaction where the skin has come into…
- Abortion, multiple Two or more miscarriages (spontaneous abortions) by a woman. Couples who have had multiple abortions have…
- Sleep, paroxysmal Sleep, paroxysmal: A neurological disorder marked by a sudden recurrent uncontrollable compulsion to sleep…
- Phocomelia A congenital malformation (birth defect) in which the hands and feet are attached to abbreviated arms and…
- Epiglottitis, acute A very rapidly progressive infection causing inflammation of the epiglottis (the flap that covers the…