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).
Vein, internal jugular
The deeper of the two jugular veins in the neck that drain blood from the head, brain, face and neck and convey it toward the heart. The internal jugular vein collects blood from the brain, the outside of the face and the neck. It runs…
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Show more- Laparoscopic cholecystectomy Cholecystectomy: Rem of the gallbladder (cholecystectomy) by laparoscopy. Laparoscopic cholecystectomy is…
- Histiocytosis, Langerhans cell Histiocytosis in which the active histiocytes normally occur in the skin. See histiocytosis.
- Incision A cut. When making an incision, a surgeon is making a cut.
- Polydactyly (hexadactyly) The presence of an extra, sixth finger or toe, a very common congenital malformation (birth defect). This is…
- Pneumosilicosis See: Silicosis
- Hypnosis A part of healing from ancient times. The induction of trance states and the use of therapeutic suggestion…
- Omniscience All knowledge. Infinite awareness, understanding, and insight. Someone who (supposedly) possesses omniscience…
- Squamous cells Flat cells that look like fish scales. The word 'squamous' came from the Latin squama meaning 'the scale of a…
- Chinese restaurant syndrome A syndrome first described in 1968 in people who had eaten Chinese food on which MSG (monosodium glutamate)…
- Hemoglobin normal values Hemoglobin is the oxygen-carrying pigment in the blood, the predominant protein in the red blood cells. In…
- Erotic jealousy syndrome See: Othello syndrome
- Media, contrast X-ray dyes used to provide contrast, for example, between blood vessels and other tissue. Commonly spoken of…