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).
Whiplash injury
Hyperextension (over-extension) injury to the neck, often the result of being struck from behind, as by a fast-moving vehicle in a car accident. The mechanics of whiplash injury are thought to be as follows: The victim may be first pushed…
Read the definitionRandom terms
Show more- Care, ambulatory See: Ambulatory care
- Metabolism, inborn error of A heritable disorder of the biochemistry of the4 body. Examples of inborn errors of metabolism include…
- Virus, pox See: Orthopox
- Hypermagnesemia Excess magnesium. Persons with impaired kidney function should be especially careful about their magnesium…
- Peptidase An enzyme that can break down a peptide into its component amino acids
- Rib cage The structure formed by the thoracic vertebrae and ribs, the sternum (breastbone), and the costal cartilages…
- Fear of the dark Pathological fear of the dark, an abnormal and persistent dread of the dark. Sufferers experience undue…
- Tracheostomy tube Tracheostomy tube: A 2- to 3-inch metal or plastic tube that keeps the stoma and trachea open. Also called a…
- Menometrorrhagia Excessive uterine bleeding, both at the usual time of menstrual periods and at other irregular intervals…
- Otitis media, acute See: Acute otitis media
- Second cranial nerve The second cranial nerve is the optic nerve, the nerve that connects the eye to the brain and carries the…
- Bacterial artificial chromosome Inflammation of the prostate gland of sudden (acute) onset due to bacterial infection. The symptoms include…