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).
Xeno- (prefix)
Foreign or other. As in: > >Xenoantigen -- An antigen that is found in more than one species. >Xenograft -- A surgical graft of tissue from one species an unlike species, genus or family. >Xenotransplantation -- Transplantation from one…
Read the definitionRandom terms
Show more- Mortality rate, infant The number of children dying under a year of age divided by the number of live births that year. The infant…
- Syndrome, Kostmann A condition with a lack of neutrophils (a type of white blood cell that is important in fighting infection)…
- Richard L. Varco See: Varco, Richard L.
- Multiple sclerosis Multiple sclerosis: Abbreviated MS. A disease of the central nervous system (CNS) marked by numbness…
- Rate, respiratory See: Respiratory rate
- Anterior pituitary The front portion of the pituitary, a small gland in the head called the master gland. Hormones secreted by…
- Coprolith See: Fecalith
- Tricho- (prefix) Pertaining to hair. As in trichobezoar (a hair ball), trichotillomania (compulsive hair pulling)…
- Xanthinuria An inherited metabolic disorder in which there is deficiency of an enzyme needed to process xanthine, a…
- Celsus (1st century A.D.) Aulus (Aurelius) Cornelius Celsus. Roman encyclopedist whose only surviving work, De…
- Vibrotactile aid A mechanical instrument that helps individuals who are deaf to detect and interpret sounds through their…
- Erythropoietin (EPO) A hormone produced by the kidney that promotes the formation of red blood cells in the bone marrow. EPO is a…