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).
Deficiency, fatty alcohol: NAD+ oxidoreductase
Also known as the Sjogren-Larsson syndrome, this is a genetic (inherited) disease usually characterized by a triad of clinical findings consisting of ichthyosis (thickened fish-like skin), spastic paraplegia (spasticity of the legs) and…
Read the definitionRandom terms
Show more- Childbed fever Fever due to an infection usually of the placental site within the uterus. The fever is also called…
- Palpitations Palpitations: Unpleasant sensations of irregular and/or forceful beating of the heart. In some patients with…
- Abortion In medicine, an abortion is the premature exit of the products of conception (the fetus, fetal membranes, and…
- Doctors' symbol A staff or rod, with a snake curled around it. It is the staff or rod of Aesculapius (also called Asklepios)…
- Uterine tube Also called the Fallopian tube. There are two Fallopian tubes, one on each side. They transport the egg from…
- Regulatory region A region of a chromosome that controls gene expression. In terms of DNA, it is a regulatory sequence
- Nutrigenomics The study of how different foods may interact with specific genes to increase the risk of common chronic…
- Anaesthesia See: Anesthesia
- Hepatitis C virus A single-stranded RNA virus in the Flaviviridae family that causes hepatitis C. Abbreviated HCV. The HCV…
- Cell, T-helper See: T-helper cell
- Digestive a Kidney Dis, Nat'l Inst Diabetes and Diabetes and (NIDDK): One of the National Institutes of Health in the U.S., the NIDDK has a multisystem name…
- Test, pupil dilation An examination that enables an eye care professional to see more of the retina, the light-sensitive layer of…