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).
Membrane
A very thin layer of tissue that covers a surface.
Read the definitionRandom terms
Show more- Antidepressant, tricyclic One of a class of medications used to treat depression. The tricyclic antidepressants are also used for some…
- Passive-aggressive Pertaining to behavior in which feelings of aggression are expressed in passive ways as, for example, by…
- Acquired epileptiform aphasia See Landau-Kleffner syndrome
- PCR (polymerase chain reaction) PCR (polymerase chain reaction): A key technique in molecular genetics that permits the analysis of any short…
- Sclerose en plaques French for multiple sclerosis. Literally, sclerosis in plaques
- Xenotropic virus A virus that can grow in the cells of a species foreign to the normal host species, a species different from…
- Disease, hydroxyapatite crystal The inflammation caused by hydroxyapatite crystals has been referred to as hydroxyapatite crystal disease…
- Trip-hammer pulse See: Pulse, water hammer
- Frenum A restraining structure. Frenum is Latin for a bridle. A small frenum is a frenulum
- Cotinine The major metabolite (breakdown product) of nicotine. Exposure to nicotine can be measured by analyzing the…
- Ultraviolet A One of the three types of invisible light rays (together with ultraviolet B and ultraviolet C) given off by…
- Bulimia Bulimia: Also called bulimia nervosa. An eating disorder characterized by episodes of secretive excessive…