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).
Hendra virus
A virus, formerly called equine morbillivirus, that can cause illness in horses and humans. First identified in 1994 in Australia where the virus caused the death of two patients, one of pneumonia and the other of encephalitis that…
Read the definitionRandom terms
Show more- Microcystic corneal dystrophy A disorder in which the cornea (the normally clear front window of the eye) shows dots (or microcysts)…
- Actinomycetes A group of gram-positive bacteria (order Actinomycetales) that produce various bioactive agents including…
- Gas, laughing Nitrous oxide, a gas capable of causing general anesthesia. Today nitrous oxide is sometimes given in the…
- Shock, spinal Shock caused by injury to the spinal cord
- Opening, vaginal The opening to the muscular canal extending from the cervix to the outside of the body. The word 'vagina' is…
- Hyperuricemia Abnormally elevated blood level of uric acid. Uric acid is a breakdown product of purines that are part of…
- Ehrlich, Paul (1854-1915) Renowned German scientist and physician. Born near Breslau, Ehrlich got his start there working…
- AFAP Attenuated familial adenomatous polyposis
- Beta error The statistical error (said to be 'of the second kind' or type II) made in testing when it is concluded that…
- Retinal pigment epithelium The pigment cell layer that nourishes the retinal cells. The retinal pigment epithelium is located just…
- American Cancer Society (ACS) A 'nationwide community-based voluntary health organization dedicated to eliminating cancer as a major health…
- Prenatal care During pregnancy, women should receive regular health care from an obstetrician or midwife. Services needed…