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).
Entamoeba histolytica
The agent of amebic dysentery, a disorder with inflammation of the intestine and ulceration of the colon. Entamoeba histolytica is a single-celled parasite that is transmitted to humans via contaminated water and food. It can also infect…
Read the definitionRandom terms
Show more- Water on the brain Known medically as 'hydrocephalus', this is an abnormal buildup of cerebrospinal fluid (CSF) in the…
- Phalanx Anatomically, any one of the bones in the fingers or toes. (Plural: phalanges.) There are 3 phalanges (the…
- System, sympathetic nervous A part of nervous system that accelerates the heart rate, constricts blood vessels, and raises blood…
- Iliopsoas muscle The upper part of the bony pelvis which forms the receptacle for the head of the femur at the hip joint. The…
- Fahr syndrome This syndrome described in 1930 by T. Fahr is a genetic (inherited) neurological disorder characterized by…
- Speculum An instrument used to widen an opening to look within a passage or a cavity. For example, a speculum may be…
- Fibrofolliculomas, trichodiscomas and acrochordons See: Birt-Hogg-Dube syndrome
- Hydroxyurea In Greek mythology, a goddess considered to be the guardian or personification of health. Hygieia was the…
- Anorexia nervosa Anorexia nervosa: See Anorexia.
- Blindness, night Impaired vision in dim light and in the dark, due to impaired function of specific vision cells (namely, the…
- Pregnancy, pernicious vomiting of Medically known as hyperemesis gravidarum, this is excessive vomiting in early pregnancy. By definition…
- Chronic daily headache See: Headache, chronic daily