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).
Beta adrenergic blocking agents
A class of drugs, also called beta blockers, that block beta-adrenergic substances such as adrenaline (epinephrine), a key agent in the 'sympathetic' portion of the autonomic (involuntary) nervous system. By blocking the action of the…
Read the definitionRandom terms
Show more- Library, cDNA A collection of DNA sequences generated from mRNA (messenger RNA) sequences. This type of DNA library…
- Sjogren-Larsson syndrome The Sjogren-Larsson syndrome is a genetic (inherited) disease usually characterized by a triad of clinical…
- Benzene A sweet smelling, highly toxic hydrocarbon. Long-term exposure to benzene is known to cause anemia and…
- Fetal pleural effusion In the fetus, excess fluid between the two membranes (the pleurae) that envelop the lungs. The pleural…
- Exocrine Pertaining to the secretion of a substance out through a duct. The exocrine glands include the salivary…
- Endometrial biopsy Endometrial biopsy: A procedure for sampling the lining of the uterus (the endometrium). Endometrial biopsy…
- Naprelan See: Naproxen
- BER Base excision repair
- Kissing bug The insect that transmits the parasite Trypanosoma cruzi, which causes Chagas disease (American…
- Aqueduct A channel for the passage of fluid.
- Meniscus The word 'meniscus' comes from the Greek and refers to a crescent-shaped structure. Today a meniscus is…
- Chyme A pre-digested, acidified mass of food that passes from the stomach into the small intestine