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).
Mitochondrial disease
Mitochondrial disease: Mutations (changes) in the mitochondrial chromosome are responsible for a number of disorders including, for example: > >An eye disease called Leber's hereditary optic atrophy; >A type of epilepsy called MERRF which…
Read the definitionRandom terms
Show more- Blood culture A test designed to detect if microorganisms such as bacteria and fungi are present in blood. A sample of…
- Field, visual The entire area that can be seen when the eye is directed forward, including that which is seen with…
- RF Rheumatoid factor. Rheumatoid factor is an antibody that is measurable in the blood. It is commonly used as a…
- Test, visual field A test which measures the extent and distribution of the field of vision. The visual field test may be done…
- Beetle, blister A blister beetle is one of a number of beetles that have historically been used in dried or powdered form for…
- Snuffbox, anatomical A hollow seen on the radial aspect (the thumbside) of the dorsum (the back) of the wrist when the thumb is…
- Vitamin B5 Vitamin B5 is pantothenic acid, one of the less well known B vitamins, perhaps because it is widely…
- P. acnes See: Propionibacterium acnes
- Heritable Capable of being transmitted from parent to child.
- Vaginal contraceptive sponge A contraceptive device that is donut-shaped, made of plastic, contains a spermicide (nonoxynol-9) and is…
- Water requirements, infant Water is an important part of a baby's diet because water makes up a large proportion of the baby's body…
- Hahnemann, Samuel A sac from which a hair grows and into which the sebaceous (oil) glands open. The follicle is lined by cells…