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- Ht Abbreviation for height (and also heart)
- DOB Abbreviation standing for the date of birth. As examples, 'DOB: 10/12/97' in the U.S. indicates the date of…
- Anovulatory Not accompanied by ovulation, the release of an ovum (egg) from the ovary. For example, anovulatory…
- Secretin A hormone made by glands in the small intestine that acts to stimulate pancreatic secretions. Commercially…
- Test, physiologic stress Although there can be a diversity of physiologic stress tests, this refers here to a physiologic cardiac…
- Porencephaly A disorder of the central nervous system involving a cyst or cavity in a cerebral hemisphere of the brain…
- MODY Maturity onset diabetes of the young
- Antidepressant >citalopram (Celexa, Cipramil) >escitalopram oxalate (Cipralex, Lexapro) >fluvoxamine maleate (Luvox)…
- Transaminase, serum glutamic pyruvic (SGPT) An enzyme that is normally present in liver and heart cells, and is released into blood when the liver or…
- Snort Take in a drug by inhalation. For example, snorting cocaine is inhaling cocaine powder through the nose where…
- Sleep apnea Sleep apnea: The temporary stoppage of breathing during sleep, often resulting in daytime sleepiness. Apnea…
- Ophthalmoplegia-plus syndrome See: Kearns-Sayre syndrome