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).
Chemoprevention
The use of natural or laboratory-made substances to prevent a disease such as cancer. The regular use of aspirin is known to reduce the risk of the polyps from which colorectal cancer arises. This is an instance of chemoprevention. The…
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Show more- Hereditary angioneurotic edema Edema: A genetic form of angioedema. (Angioedema is also referred to as Quinke's disease.) Persons with it…
- Veins, ophthalmic The orbital cavity is drained by paired veins called the superior and inferior ophthalmic veins. The superior…
- Genomic >A chromosomal genome which is in the nucleus of the cell; and >A mitochondrial genome which is outside the…
- Nevoid basal cell carcinoma syndrome The Gorlin syndrome
- Laryngostasis More commonly known as croup, this is an infection of the larynx, trachea, and the bronchial tubes, that…
- Brain anthrax Anthrax infection of the central nervous system (the spinal cord and brain) and meninges (the membranes…
- Syndrome, Hurler An inherited error of metabolism in which there is deficiency of the enzyme alpha-L-iduronidase which…
- DSCR See: Down syndrome critical region
- Antibody An immunoglobulin, a specialized immune protein, produced because of the introduction of an antigen into the…
- Telogen effluvium >The growing, or anagen, stage is the predominant phase (80% to 90% of a person's hair is usually in the…
- Cranial nerve III The third cranial nerve is the oculomotor nerve. The cranial nerves emerge from or enter the skull (the…
- Sherlock, Sheila British physician (1918-2001) who pioneered the study of the liver (hepatology). She made liver biopsy a…