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).
Immunization, varicella
A live attenuated (weakened) viral vaccine that is recommended for people traveling to or living in tropical areas in the Americas and Africa where yellow fever occurs. Because it is a live vaccine, it should not be given to infants or…
Read the definitionRandom terms
Show more- Wagner's syndrome See: Stickler syndrome
- Tenth cranial nerve The tenth cranial nerve, and one of the most important, is the vagus nerve. All twelve of the cranial nerves…
- Respiratory distress syndrome (RDS) Formerly known as hyaline membrane disease, a syndrome of respiratory difficulty in newborn infants caused by…
- Disease, polycystic ovarian Scrub typhus, a mite-borne infectious disease caused by a microorganism, Rickettsia tsutsugamushi…
- Athymic Lacking a thymus gland
- Mucopolysaccharidosis type IVB Morquio syndrome due to deficiency of the enzyme beta-galactosidase. See also Mucopolysaccharidosis
- Obtunded Mentally dulled. A person may be obtunded due to head trauma. To obtund is to dull or blunt. From the Latin…
- Roentgen An international unit of X-radiation or gamma-radiation. Abbreviated R. Named for Wilhelm Roentgen
- Watson, James American biologist (1928-) who, with Francis Crick and Maurice Wilkins, shared the 1962 Nobel prize in…
- Lactic acidosis Acidosis (too much acid in the body) due to the buildup of lactic acid in the body. Lactic acidois occurs…
- Vocal cord paralysis Vocal cord paralysis:bility of one or both vocal folds (vocal cords) to move. The paralysis is usually due to…
- Tissue plasminogen activator (tPA) An enzyme that helps dissolve clots. tPA is made by the cells lining blood vessels and has also been…