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).
Upper GI series
Upper GI series: A series of x-rays of the esophagus, stomach, and small intestine (upper gastrointestinal, or GI, tract) that are taken after the patient drinks a barium solution. (Barium is a white, chalky substance that outlines the…
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Show more- Acetic acid The acid most commonly associated with vinegar. Acetic acid is a two-carbon carboxylic acid. Its formula is…
- Antiseptic Something that discourages the growth microorganisms. By contrast, aseptic refers to the absence of…
- Achilles In Greek mythology, the hero who was thought to have some special medical knowledge. Achilles studied…
- Thrombophlebitis Inflammation of a vein that occurs when a blood clot forms
- Pregnant The state of carrying a developing fetus within the body. The word 'pregnant' comes from the Latin pre-…
- CAMP-dependent protein kinase See: Protein kinase A
- Ciliary body Part of the eye, the ciliary body is a thin vascular (blood vessel-filled) middle layer of the eye that is…
- SGPT Serum glutamic pyruvic transaminase, an enzyme that is normally present in liver and heart cells. SGPT is…
- Flatus Gas in the intestinal tract or passed through the anus. The intestinal gases are hydrogen, nitrogen, carbon…
- Phenothiazine One of a group of tranquilizing drugs with antipsychotic actions thought to act by blocking dopaminergic…
- Anxiety Anxiety: A feeling of apprehension and fear characterized by physical symptoms such as palpitations…
- Insemination The deposition of semen in the female reproductive tract. Under normal circumstances, the deposit is made…