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).
Lumbar puncture
Lumbar puncture: A lumbar puncture or 'LP' is a procedure whereby spinal fluid is removed from the spinal canal for the purpose of diagnostic testing. It is particularly helpful in the diagnosis of inflammatory diseases of the central…
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Show more- Prepuce The fold of skin that covers the head of the penis. Also known as the foreskin. Only about 1 in every 20 boys…
- Sedimentation rate Sedimentation rate: A blood test that detects and monitors inflammation in the body. It measures the rate at…
- Creatinine clearance test A test that helps determine whether the kidneys are functioning normally. Specifically, the…
- Pacemaker, artificial A device that uses electrical impulses to regulate the heart rhythm or to reproduce that rhythm. An internal…
- CNS (central nervous system) That part of the nervous system that consists of the brain and spinal cord. The central nervous system (CNS)…
- Membrane attack complex Abbreviated MAC. An abnormal activation of the complement (protein) portion of the blood, forming a cascade…
- Completely-in-the-canal hearing aid The smallest and most discreet of the common styles of hearing instruments. Completely-in-the-canal (CIC)…
- Medical device 1. Broadly, any physical item used in medical treatment, from a cardiac pacemaker to a wheelchair.2.In…
- Restenosis Renarrowing, as in restenosis of a coronary artery after angioplasty. From the Greek 'stenos' meaning narrow
- HLA-B57 An HLA type that is strongly associated with unusually slow progression of the human immunodeficiency virus…
- Sand-blind Partly blind, semi-blind, half-blind. From the Old English samblind from sam- meaning semi- + blind. In the…
- Occupational medicine The field of medicine encompassing occupational disease, diseases due to factors in people's occupations. For…