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).
Acetylcholinesterase
An enzyme that breaks down the neurotransmitter acetylcholine at the synaptic cleft (the space between two nerve cells) so the next nerve impulse can be transmitted across the synaptic gap. Pesticides of the organophosphate and carbamate…
Read the definitionRandom terms
Show more- Poisoning Taking a substance that is injurious to health or can cause death. Poisoning is still a major hazard to…
- Disease, Fabry See: Fabry disease
- Compound heterozygote The presence of two different mutant alleles at a particular gene locus, one on each chromosome of a pair…
- PKU See Maternal phenylketonuria.
- Antibiotic resistance Antibiotic resistance: The ability of bacteria and other microorganisms to withstand an antibiotic to which…
- Snellen's test type The letters on the familiar eye chart used to measure how well you see at various distances. The eye chart…
- Fat, unsaturated A fat that is liquid at room temperature and comes from a plant such as olive, peanut, corn, cottonseed…
- Diabetes skin condition See: Diabetic skin disease
- Microscopic gallstones Gallstones: A mixture of microscopic particulate matter in bile, also called biliary sludge, that occurs when…
- Colinearity 1. In general, the arrangement of one sequence in the same linear order as another sequence.2. In…
- Disease, congenital heart A malformation of the heart or the large blood vessels near the heart. The term 'congenital' speaks only to…
- External genitalia, female See: Female external genitalia