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).
Snowblindness
A burn of the cornea (the clear front surface of the eye) by ultraviolet B rays (UVB). Also called radiation keratitis or photokeratitis. The condition typically occurs at high altitudes on highly reflective snow fields or, less often…
Read the definitionRandom terms
Show more- Fracture, transverse A fracture in which the break is across the bone, at a right angle to the long axis of the bone. NTER> A…
- Minimal residual disease Evidence for the presence of residual malignant cells, even when so few cancer cells are present that they…
- Ketone A chemical substances that the body makes when it does not have enough insulin in the blood. When ketones…
- Hansen's disease See: Hansen disease
- Carotene, beta An antioxidant, a substance that protects cells against oxidation damage which, it is thought, can lead to…
- Anticholinergic The action of certain medications that inhibit the transmission of parasympathetic nerve impulses and thereby…
- Symptom of pregnancy See: Pregnancy symptom
- Allopathic Pertaining to allopathy (conventional medicine). The term was coined in 1842 by C.F.S. Hahnemann to designate…
- Vallecula An anatomic term for a crevice, furrow or depression. There are a variety of valleculae including one in the…
- Medication, vasodilator Drugs that act as blood vessel dilator (vasodilators) and open vessels by relaxing their muscular walls). For…
- Nephritis, infective tubulointerstitial Inflammation of the kidney due to infection. Symptoms include nausea, pain in the kidney area, fever, and…
- Axelrod, Julius (1912- ) American pharmacologist and neuroscientist who shared the 1970 Nobel Prize in Physiology or Medicine…