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 smear
See Tzanck test
Read the definitionRandom terms
Show more- Landry ascending paralysis A particularly virulent form of Guillain-Barre syndrome. The disorder often begins with a flu-like illness…
- Microsurgery Surgery through a microscope. Microsurgery is used to operate on very small structures, often requires…
- Paul M. Zoll See: Zoll, Paul M.
- Smooth muscle One of the three types of muscle tissue in the body (skeletal, smooth, cardiac). Generally forms the…
- Sinusitis Sinusitis: Sinusitis is inflammation of the lining membrane of any of the hollow areas (sinuses) of the bone…
- Selenium deficiency See Deficiency, selenium
- Restriction endonuclease An enzyme from bacteria that can recognize specific base sequences in DNA and cut (restrict) the DNA at that…
- Aplastic anemia Anemia due to failure of the bone marrow to produce blood cells, including red and white blood cells as well…
- Recessive, autosomal A genetic condition that appears only in individuals who have received two copies of an autosomal gene, one…
- Incontinent Unable to control excretions, to hold urine in the bladder or keep feces in the rectum. This is the usual…
- Streptococcus A group of bacteria, familiarly known as strep, that cause a multitude of diseases. The name comes from the…
- Berlin Heart The name of a company in Berlin, Germany and of a ventricular assist device it makes. The device works by…