MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Intron
Part of a gene that is initially transcribed into the primary RNA transcript but then removed from it when the exon sequences on either side of it are spliced together. Also called an intervening sequence.
Read the definitionRandom terms
Show more- Exonuclease An enzyme that cleaves nucleotide bases sequentially from the free ends of a nucleic acid (DNA or RNA)
- Pathy A suffix derived from the Greek 'pathos' meaning 'suffering or disease' that serves as a suffix in many terms…
- Epidemiology, clinical Epidemiology focused specifically upon patients. Epidemiology is the study of populations in order to…
- FOBT Fecal occult blood test
- Pseudodementia A severe form of depression resulting from a progressive brain disorder in which cognitive changes mimic…
- ALS Amyotrophic lateral sclerosis. ALS has two meanings. One meaning of ALS refers to several adult diseases…
- Oophorectomy The removal of one or both ovaries by surgery. Also known as ovariectomy.
- CFTR Cystic fibrosis conductance regulator. Mutations in the gene for CFTR are responsible for cystic fibrosis…
- Anus, imperforate A congenital malformation (a birth defect) in which the rectum is a blind alley (a cul-de-sac) and there is…
- Bio- Prefix indicating living plants or creatures, as in biology, the study of living organisms
- Lysenkoism A theory put forth by a Russian plant-breeder named Trofim Denisovich Lysenko [1898-1976] during the…
- Chlamydia A type of bacteria one species of which causes an infection very similar to gonorrhea in the way that it is…