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).
Alimentary canal
The digestive tract. See: Gastrointestinal tract
Read the definitionRandom terms
Show more- Seat belt A belt used to hold an individual in their seat. Motor vehicle accidents are the leading cause of death for…
- Acuity, visual The clarity or clearness of the vision, a measure of how well a person sees. The ability to distinguish…
- Hypotensive Having abnormally low blood pressure (hypotension). See also: Hypertensive; Normotensive
- Dacryocystorhinostomy The surgical creation of a passage between the lacrimal sac (tear sac) and the nasal cavity to permit the…
- Ovarian cancer Ovarian cancer: Cancer of the ovary, the egg sac of females. The anatomic location of the ovaries: NTER> Most…
- Brontophobia An abnormal and persistent fear of thunder that causes undue anxiety even though sufferers realize that…
- Migraine, ocular Migraine involving the eyes, with or without headache. Ocular migraines usually affect only one eye at a…
- Jacksonian seizure A form of epilepsy involving brief alteration in movement, sensation or nerve function caused by abnormal…
- Macroorchidism Abnormally large testes. To determine if the testes are too large, a device called an orchidometer is used…
- Cell, alpha (pancreatic) A type of cell in the pancreas (the organ of the digestive system located behind the stomach). Within the…
- Injury, cold Cold injuries include chilblains, 'trench foot,' and frostbite. Cold injuries occur with and without freezing…
- Goiter-deafness syndrome See Pendred syndrome