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, situational
The temporary loss of consciousness in a particular kind of situation. The situations that trigger this reaction are diverse, and include having blood drawn, straining while urinating or defecating, and coughing. It can also be due to the…
Read the definitionRandom terms
Show more- Bis in die (on prescription) Seen on a prescription, bid means twice (two times) a day. It is an abbreviation for 'bis in die' which in…
- Palpable Something that can be felt or touched. For example, a palpable tumor is one that can be felt. From the Latin…
- Death 1. The end of life. The cessation of life. (These common definitions of death ultimately depend upon the…
- Methionine An amino acid, one of the 20 building blocks of protein. A dietary essential amino acid, methionine provides…
- Biotin A water-soluble B-complex vitamin involved in carbon dioxide transfer and therefore essential to the…
- Sinusitis Sinusitis: Sinusitis is inflammation of the lining membrane of any of the hollow areas (sinuses) of the bone…
- Sleep apnea, obstructive Sleep apnea is a breathing disorder characterized by brief interruptions of breathing during sleep. It owes…
- Bilateral pneumonia See: Pneumonia, bilateral
- Research, controlled A study that compared results from a treated group and a control group. The control group may receive no…
- Homeopathic medicine See: Homeopathy
- Pyelonephritis Bacterial infection of the kidney. Pyelonephritis can be acute (sudden) or chronic (slow, subtle, and…
- An- Prefix very much employed in medicine and all of the health sciences, indicating 'not, without, or -less.'…