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).
Syncope, defecation
The temporary loss of consciousness upon defecating (having a bowel movement). Syncope is the temporary loss of consciousness or, in plain English, fainting. The situations that trigger this reaction are diverse and include having blood…
Read the definitionRandom terms
Show more- Splicing, alternative See Alternative splicing
- Insufficiency, respiratory See: Respiratory insufficiency
- Chromatophobia An abnormal and persistent fear of money. Sufferers experience undue anxiety even though they realize their…
- Huntington disease Huntington disease: An hereditary disorder with mental and physical deterioration leading to death. Although…
- Drugs, statin A class of drugs that lower cholesterol. There are currently at least 5 statin drugs on the market in the…
- Lipomatosis, multiple symmetric A disorder characterized by painless symmetrical diffuse deposits of fat beneath the skin of the neck, upper…
- Will, living A living will is one form of advance medical directive. Advance medical directives pertain to treatment…
- Disease, Fong See Nail-patella syndrome
- Phlebo- (prefix) Means vein. From the Greek 'phleps', vein, which came from the root 'phlein', to gush or overflow. Appears in…
- Glaucoma, angle-closure Glaucoma, angle-closure: Increased pressure in the front chamber (anterior chamber) of the eye due to sudden…
- Dyslipidemia A disorder of lipoprotein metabolism, including lipoprotein overproduction or deficiency. Dyslipidemias may…
- False labor Intermittent non-productive muscular contractions of the womb (uterus) during pregnancy, most commonly in the…