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).
Nosology
The systematic classification of diseases, or the branch of medical science that deals thereto. The adjective is nosologic. There is 'ongoing nosologic controversy and confusion' concerning 'dementia with brainstem and neocortical Lewy…
Read the definitionRandom terms
Show more- Teratophobia Fear of bearing a malformed child. A phobia is an unreasonable sort of fear that can cause avoidance and…
- Nerve, hypoglossal The hypoglossal nerve is the twelfth cranial nerve. The twelve cranial nerves, the hypoglossal nerve…
- Pigmentation The coloring of the skin, hair, mucous membranes, and retina of the eye. Pigmentation is due to the…
- Single upper palm line See: Simian crease
- Poikiloderma Extra pigmentation of the skin demonstrating a variety of shades and associated with widened capillaries…
- Diabetes, labile A type of diabetes when a person's blood glucose (sugar) level often swings quickly from high to low and from…
- Pallidotomy A surgical operation performed on the globus pallidus to destroy it. The purpose of this operation is to…
- Probiotic A microbe that protects its host and prevents disease. The best-known probiotic is Lactobacillus acidophilus…
- Medicaid State programs of public assistance to persons regardless of age whose income and resources are insufficient…
- Esophagitis Esophagitis: Inflammation of the esophagus. The esophagus is that soft tube-like portion of the digestive…
- Ring, intrastromal corneal A plastic ring designed to be implanted in the cornea, the transparent structure in the front of the eye. The…
- Chimeraplasty A method of gene therapy based upon the use of a molecule called a chimeraplast, a synthetic blend of DNA and…