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).
HLA
The major human histocompatibility system. HLA-typing is done before transplantation to determine the degree of histocompatibility. HLA is an acronym for Human Leukocyte Antigens
Read the definitionRandom terms
Show more- Pleurae Pleural of pleura (the thin covering that protects and cushions the lungs)
- Excisional biopsy A biopsy in which an entire biopsy in which an entire lesion, is removed. A excisional biopsy is in contrast…
- Ochronosis 1. Deposition of dark pigment in connective tissues, usually due to alkaptonuria or exposure to chemicals…
- Tonsillectomy Tonsillectomy: The surgical removal of both tonsils. A tonsillectomy may be performed in cases of recurrent…
- Nail dysgenesis and hypodontia A genetic disorder characterized by abnormalities of the nails (nail dysgenesis) and the absence of several…
- Scleroderma Scleroderma: A disease of connective tissue with the formation of scar tissue (fibrosis) in the skin and…
- Microtubule motor protein A protein that plays a role in spindle assembly and function or in chromosome movement during meiosis or…
- Rotator cuff disease Rotator cuff disease: Damage to the rotator cuff, a group of four tendons that stabilize the shoulder joint…
- Aorta, coarctation of the A congenital constriction of the aorta, impeding the flow of blood below the level of the constriction and…
- Obstetrics The art and science of managing pregnancy, labor and the puerperium (the time after delivery)
- Gastric atrophy A condition in which the stomach muscles shrink and become weak. It results in a lack of digestive juices…
- Proteinuria Excess protein in the urine. Some protein is normal in the urine. Too much means protein is leaking through…