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.
- 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).
Formication
The illusion or hallucination that ants or other insects are creeping on or under the skin. Formication is a feature of some psychotic states as well as drug and alcohol abuse. From the Latin formicatio, from formicare meaning to creep…
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Show more- St John's wort A flowering plant, Hypericum perforatum, also known as Perforate St John's wort, that has long been believed…
- FXTAS Fragile X tremor/ataxia syndrome
- Blot, Northern A technique in molecular biology, used mainly to separate and identify pieces of RNA. Called a Northern blot…
- Primary ciliary dyskinesia The immotile cilia syndrome, a condition in which poorly functioning cilia (hairlike projections from cells)…
- No show Term used in the US for a patient who missed an appointment. (In the UK, a patient who failed an appointment…
- Patent (adjective) Open, unobstructed, affording free passage. Thus, for example, the bowel may be patent (as opposed to…
- Nuchal translucency test A measurement of the size of the translucent space behind the neck of the fetus using ultrasound at between…
- Ultrasound during pregnancy Ultrasound imaging has been done during pregnancy for over three decades. It has proven to be a very useful…
- Iatrapistic A lack of faith in doctors. Entirely from the Greek: 'iatr-' indicating a relationship to a physician or…
- Progesterone A female hormone and the principal progestational hormone that is made mainly by the corpus luteum in the…
- Neuroradiology The field within radiology that specializes in the use of radioactive substances, x-rays and scanning devices…
- Hallucinogen A drug that causes hallucinations (profound distortions in a person's perceptions of reality). Under the…