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).
Eustachian tube
The tube that runs from the middle ear to the pharynx. The function of the Eustachian tube is to protect, aerate and drain the middle ear (and mastoid). Occlusion of the Eustachian tube leads to the development of middle ear inflammation…
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Show more- Chromatin The nucleoprotein material of chromosomes. Chromatin is essentially the substance of chromosomes. It is made…
- Orthopnea The inability to breathe easily unless one is sitting up straight or standing erect
- Resin, bile acid Bile acid resins are substances that bind in the intestines with bile acids that contain cholesterol and are…
- Reticulocytosis An elevation in the number of reticulocytes (young red blood cells) in blood, a sign of unusually rapid red…
- Sleep start See: Hypnic jerk
- Scratch test for allergy A mammogram (an X-ray of the breast) in women who have no signs of breast cancer. It usually involves two…
- Osteopathy A system of therapy founded in the 19th century based on the concept that the body can formulate its own…
- Hormone, parathyroid See Hormone, parathormone
- Syndrome, Aarskog See: Aarskog-Scott syndrome
- Mycotoxin A toxin produced by a fungus. A mycotoxin may be formed when grains or some other products become moldy. From…
- Chorda tympani A branch of the facial nerve (the seventh cranial nerve) that serves the taste buds in the front of the…
- Body fat scales See: Bioelectric impedance analysis