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).
MCAD deficiency
Deficiency of an enzyme that makes it impossible to digest certain kinds of fat. MCAD stands for medium-chain acyl-CoA dehydrogenase. Children born with MCAD deficiency cannot metabolize (digest) medium-chain fats such as coconut oil. If…
Read the definitionRandom terms
Show more- Dysmotility syndrome A vague, descriptive term used to describe diseases of the muscles of the gastrointestinal tract (esophagus…
- His Histidine. See also: Amino acid symbols
- Piercing Using a sharp instrument, usually a needle, to make a temporary or permanent hole through an earlobe or other…
- Lou Gehrig disease Amyotrophic lateral sclerosis (ALS), a classic motor neuron disease. Motor neuron diseases are progressive…
- Surgery, off-pump See: Off-pump surgery
- ETM2 A gene for essential tremor, uncontrollable shaking of the hands and head and sometimes other parts of the…
- Fever, relapsing See: Relapsing fever
- Ibuprofen Ibuprofen: A non-steroidal anti-inflammatory drug (NSAID) commonly used to treat pain, swelling, and fever…
- Intolerance, lactose The inability to digest lactose, a sugar component of milk and most other dairy products. Lactose is…
- La Leche League An international organization that helps and supports breastfeeding mothers with advice, ideas, and legal and…
- Nanny-cam See: Nanny cam
- Receptor, visual The layer of rods and cones, the visual cells, of the retina