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).
Hyperpigmentation
Dark spots on the skin. Hyperpigmentation is primarily a cosmetic concern that can be covered with make-up, although in some cases (such as the cafe au lait spots associated with neurofibromatosis) it can be a sign of an underlying medical…
Read the definitionRandom terms
Show more- Tyrosinemia type I A metabolic genetic disease characterized by abnormally high levels of amino acid tyrosine in blood…
- Headache, alarm clock See: Alarm clock headache
- Severe tropical cyclone A regionally specific name for a strong tropical cyclone in the Southwest Pacific Ocean west of 160E or…
- National Institute of Neurological Disorders Stroke (NINDS): One of the National Institutes of Health in the U.S., the NINDS's mission is to 'support and…
- Radiation therapy, stereotactic The use of a number of precisely aimed beams of ionizing radiation, each coming from different directions and…
- Ethmoid bone An irregularly shaped, spongy bone that provides the floor of the front part of the skull and the roof of the…
- Emergency department The department of a hospital responsible for the provision of medical and surgical care to patients arriving…
- Obstruction, airway See: Airway obstruction
- Map, linkage A map of the genes on a chromosome based on linkage analysis. A linkage map does not show the physical…
- Extracranial hematoma A hematoma (a collection of blood) outside the cranium (skull)
- Mucopolysaccharidosis type I Hurler syndrome, Scheie syndrome, and Hurler-Scheie syndrome. All three of these syndromes are due to varying…
- Immunization, DTaP Like DPT, DTaP protects from diphtheria, pertussis (whooping cough) and tetanus. DTaP is the same as DTP…