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).
Jugular vein
The jugular veins are in the neck and drain blood from the head, brain, face and neck and convey it toward the heart. The external jugular vein collects most of the blood from the outside of the skull and the deep parts of the face. It…
Read the definitionRandom terms
Show more- Lipitor See: Atorvastatin
- Hepatology The field of liver disease. The liver is the body's largest organ and hepatology is a large field. It…
- Adverse event In pharmacology, any unexpected or dangerous reaction to a drug
- HTLV-III The human T-lymphotropic virus type III. An obsolete term for the human immunodeficiency virus or HIV
- Vibrotactile aid A mechanical instrument that helps individuals who are deaf to detect and interpret sounds through their…
- Melanoma, ciliary body See: Intraocular melanoma
- Placenta A temporary organ joining the mother and fetus, the placenta transfers oxygen and nutrients from the mother…
- Xylitol Xylitol: A sweetener found in plants that is used as a substitute for sugar. Xylitol is considered a…
- RDA Abbreviation for the Recommended Dietary Allowance. Or, popularly, the Recommended Daily Allowance
- TVS Abbreviation for 'transvaginal ultrasound,' a technique in which sound waves are sent out by an ultrasound…
- Eyelid myokymia Fine continuous contractions of the eyelid muscle, typically involving one of the lower eyelids, less often…
- Fornication Sexual intercourse that is 'illicit', outside of marriage. The term 'fornication' has a close medical…