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).
MCD
Abbreviation (not only for McDonald's but also) for a number of entities in medicine including minimal change disease, mean corpuscular diameter, and medullary cystic disease
Read the definitionRandom terms
Show more- Posterior chamber The space in the eye behind the iris and in front of the lens. (The iris is the colored ring of tissue that…
- ATCC (American Type Culture Collection) >Algae & Protozoa >Bacteria & Bacteriophages >Cultured Cell Lines & Hybridomas >Fungi &…
- Gallstones Gallstones: Stones that form when substances in the bile harden. Gallstones can be as small as a grain of…
- Naegleria fowleri A protozoa that is a pathogenic free-living ameba. Infection with Naegleria fowleri causes primary amebic…
- Chin Medically, the mentum. The lower portion of the face below the lower lip including the prominence of the…
- Magnetic resonance imaging Magnetic resonance imaging: A special radiology technique designed to image internal structures of the body…
- Annexins The annexins are a family of proteins first described in 1990. All of the annexin proteins share the property…
- Hemophobia An abnormal and persistent fear of blood. Sufferers of this very common phobia dread the sight of their own…
- Transthyretin A plasma protein consisting of 127 amino acids that binds retinol and thyroxine. The gene TTR that encodes…
- Disease, sickle cell A genetic blood disease due to the presence of an abnormal form of hemoglobin, namely hemoglobin S…
- Ames test A test developed in 1974 by Bruce N. Ames for identifying possible carcinogens by studying their mutagenic…
- Urethritis Inflammation of the urethra. (The urethra is the transport tube leading from the bladder to discharge urine…