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).
Codon
A set of any three adjacent bases in the DNA or RNA. There are 64 different codons of which 61 specify the incorporation of an amino acid into a polypeptide chain while the remaining three are stop codons that signal the end of a…
Read the definitionRandom terms
Show more- Gamma knife A type of radiosurgery (radiation therapy) machine that acts by focusing low-dosage gamma radiation from many…
- Eye color The color of the iris. The genetics of eye color are complicated. Eye color is polygenic. It is determined by…
- CT cell See: Cytotoxic T-lymphocyte
- Thrombophilia The tendency to form blood clots (thrombosis). The clots can break off, travel through the bloodstream and…
- Cytokine A small protein released by cells that has a specific effect on the interactions between cells, on…
- Cyanotic Showing cyanosis (bluish discoloration of the skin and mucous membranes due to not enough oxygen in the…
- In-the-canal hearing aid A hearing instrument custom designed to fit in the ear canal. It protrudes slightly into the outer ear and so…
- Drain, Penrose See: Penrose drain
- Flat condyloma A manifestation of the secondary stage of syphilis that takes the form of broad flat wartlike growths in…
- Arthritis, systemic-onset juvenile rheumatoid A form of joint disease in children whose systemic signs and symptoms include high intermittent fever, a…
- Lymphogranuloma venereum Abbreviated LGV. An uncommon genital or anorectal (affecting the anus and/or rectum) infection that is caused…
- RAST An allergy test done on a sample of blood. The aim with RAST, as with skin tests, is to check for allergic…