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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Tzanck test
The examination of fluid from a bulla (a blister) in search of Tzanck cells characteristic of varicella (chickenpox), herpes zoster, herpes simplex, and pemphigus vulgaris. Named for a Russian dermatologist Arnault Tzanck (1886-1954)
Read the definitionRandom terms
Show more- Naturopathy A system of therapy based on preventative care, and on the use of heat, water, light, air, and massage as…
- Ht Abbreviation for height (and also heart)
- Klippel-Feil syndrome See: Klippel-Feil sequence
- Nuclear family The family group consisting of the father, mother, and their children, as distinct from the extended family
- Syndrome, Noonan (NS) A multifaceted genetic disorder characterized by a series of birth defects (congenital malformations)…
- Uterus, prolapsed A uterus that has moved from its normal position in the abdominal cavity, usually into a lower position…
- Ossicle Any small bone, such as the tiny bones within the human ear
- G (gram) Symbol for gram, a unit of measurement of weight and mass in the metric system. In weight, a gram is equal to…
- Sputum The mucus and other matter brought up from the lungs, bronchi, and trachea that one may cough up and spit out…
- Plegia Suffix meaning paralysis or a stroke. As in cardioplegia (paralysis of the heart), hemiplegia (paralysis of…
- Explicit memory Memory in which there is a need for conscious recollection in order to recall something. By contrast, in…
- Laceration A cut. All that is required to care for most cuts is to wash them with soap and water and keep them clean and…