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).
Test, Venereal Disease Research Laboratory
A blood test for syphilis. Venereal Disease Research Laboratory is commonly abbreviated VDRL. A negative ('nonreactive') VDRL is compatible with a person not having syphilis. However, a person may a negative VDRL and still have syphilis…
Read the definitionRandom terms
Show more- Catheter, hemodialysis A venous catheter used for hemodialysis (dialysis of the blood). A hemodialysis catheter is a type of central…
- AC joint Acromioclavicular joint located between the acromion (a projection of the scapula that forms the point of the…
- Neuralgia, sphenopalatine A distinctive syndrome of headaches, better known today as cluster headache. There are two main clinical…
- Caspase 3 An enzyme that plays a key role in programmed cell death, or apoptosis. Caspase 3 has been called the…
- Transitional cell carcinoma A type of cancer that develops in the lining of the renal pelvis, ureter or bladder
- Endoplasmic reticulum A structure within cells that is an extension of the nuclear membrane and in which proteins slated to become…
- Therapy, testosterone replacement The practice of giving testosterone to treat conditions in which the testes do not produce enough…
- Adipose most abundant gene transcript 1 Abbreviated APM1. The APM1 gene encodes the hormone adiponectin
- Medical Repository The first medical magazine and the first scientific journal published in the United States. The Medical…
- Library of Medicine, National (NLM) The world's largest medical library, the U.S. National Library of Medicine (NLM) is part of the National…
- Peripheral vision Side vision. The ability to see objects and movement outside of the direct line of vision. Peripheral vision…
- Bone marrow biopsy The removal of a sample of bone marrow and a small amount of bone (usually from the hip) through a large…