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).
Zellweger syndrome
A genetic disorder, also called the cerebrohepatorenal syndrome, characterized by the reduction or absence of peroxisomes (cell structures that rid the body of toxic substances) in the cells of the liver, kidneys, and brain. Zellweger…
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Show more- Hershey-Chase experiment An extraordinarily important experiment in 1952 that helped to convince the world that DNA was the genetic…
- Fascioliasis See: Fasciola hepatica
- Stapes A stirrup-shaped bone in the middle ear. The stapes transmits sound vibrations from the incus, another little…
- Generalized tonic-clonic seizure See: Grand mal
- Abstemious Marked by restraint, especially in the consumption of food or alcohol. From the Latin prefix 'abs-,' meaning…
- HDL Lipoproteins, which are combinations of lipids (fats) and proteins, are the form in which lipids are…
- Marker, blood A sign of a disease or condition that can be isolated from a blood sample. For example, the monoclonal…
- Pectoralis muscle absence with syndactyly A unique pattern of one-sided malformations characterized by a defect of the chest (pectoralis) muscle on one…
- System, central nervous (CNS) That part of the nervous system that consists of the brain and spinal cord. The central nervous system (CNS)…
- Enterobiasis Any hernia containing small intestine. 2. Hernia (protrusion) of the small intestine into the upper wall of…
- HIV infection, acute The body's initial reaction to infection by the HIV virus. Acute HIV infection is a flu-like syndrome that…
- External ear There are three sections of the ear. They are the external ear, the middle ear, and the inner ear. The…