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).
DNA replication
A wondrous complex process whereby the ('parent') strands of DNA in the double helix are separated and each one is copied to produce a new ('daughter') strand. This process is said to be 'semi-conservative' since one of each parent strand…
Read the definitionRandom terms
Show more- Radiosensitive Sensitive to X-rays and other forms of radiant energy. For example, a tumor may be radiosensitive, and…
- Herpes, genital See: Genital herpes
- HIPAA Acronym that stands for the Health Insurance Portability and Accountability Act, a US law designed to provide…
- Shunt 1) To move a body fluid, such as cerebrospinal fluid, from one place to another. 2) A catheter (tube) that…
- Transient ischemic attack (TIA, Mini-Stroke) Transient ischemic attack (TIA, Mini-Stroke): A neurological event with the signs and symptoms of a stroke…
- Intubation The process of putting a tube into a hollow organ or passageway, often into the airway. The opposite of…
- Aneurysm, venous An aneurysm involving a vein. As opposed to an arterial aneurysm or a cardiac aneurysm. An aneurysm is a…
- Quack 1) A practitioner who suggests the use of substances or devices for the prevention or treatment of disease…
- Allergic rhinitis, perennial Allergic rhinitis (hay fever) that occurs throughout the year
- Cystadenoma A cystadenoma is a type of benign tumor that develops from ovarian tissue. They may be filled with a…
- Gooseflesh A temporary local change in the skin when it becomes rougher due to erection of little muscles, as from cold…
- Transmissible spongiform encephalopathy One of a number of progressive neurodegenerative disorders in animals and humans caused by similar…