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).
Hemorrhage
Bleeding or the abnormal flow of blood. The patient may have an internal hemorrhage that is invisible or an external hemorrhage that is visible on the outside of the body. Bleeding into the spleen or liver is internal hemorrhage. Bleeding…
Read the definitionRandom terms
Show more- Choking in children The compromise of a child's normal breathing by obstructing or compressing the trachea, a major health hazard…
- Val . Valine. See also: Amino acid symbols
- Comedo The primary sign of acne consisting of a dilated (widened) hair follicle filled with keratin squamae (skin…
- Ataxia, cerebellar See: Ataxia
- Olfactory apparatus The entire system needed to have a sense of smell. This system involves at least 1,000 genes for the…
- Sleep start See: Hypnic jerk
- Indian Health Service (IHS) A part of the U.S. Public Health Service within the US Department of Health and Human Services, the Indian…
- Iodide The chemical form to which iodine in the diet is reduced before it is absorbed through the intestinal wall…
- Completely-in-the-canal hearing aid The smallest and most discreet of the common styles of hearing instruments. Completely-in-the-canal (CIC)…
- Hematoma, intracerebral See: Intracerebral hematoma
- Syndrome, Kimmelstiel-Wilson Diabetic nephropathy (kidney disease). Kimmelstiel-Wilson syndrome is a kidney condition associated with…
- Vector In medicine, a vector is a carrier. The best way to understand a vector is to recall its origin as a word…