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).
Colon cancer, family history of
The presence of a history of colorectal cancer in a family. The colon cancer risk is higher if an immediate (first-degree) family member (parents, siblings or children) had colorectal cancer and even higher if more than one such relative…
Read the definitionRandom terms
Show more- Immunotoxin A hybrid molecule created by coupling an antibody or antigen with part or all of a toxin. The hybrid molecule…
- Ear, internal There are three sections of the ear. They are the external ear, the middle ear, and the internal ear. The…
- Syndrome, von Hippel-Lindau See Von Hippel-Lindau syndrome
- Alpha-linolenic acid An essential fatty acid found in flaxseed oil, canola oil and walnuts. Abbreviated ALA
- Heptad repeat A type of tandem repeat sequence in which a group of seven aminoacids occurs many times in a protein…
- Colonoscopy Colonoscopy: A procedure in which a long flexible viewing tube (a colonoscope) is threaded up through the…
- Blister beetle A blister beetle is one of a number of beetles that have historically been used in dried or powdered form for…
- Codon A set of any three adjacent bases in the DNA or RNA. There are 64 different codons of which 61 specify the…
- Mutation, private A rare mutation found usually only in a single family or a small population. (It is like a privately printed…
- Keratodermia blennorrhagicum Pertaining to keratolysis, the softening and shedding of the horny outer layer of the skin. A keratolytic…
- Laser, excimer See: Excimer laser
- Amygdala 1. The amygdaloid nucleus in the brain. 2. The tonsils. These structures were so named because they appeared…