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).
Proteins
Large molecules composed of one or more chains of amino acids in a specific order determined by the base sequence of nucleotides in the DNA coding for the protein. Proteins are required for the structure, function, and regulation of the…
Read the definitionRandom terms
Show more- Pain management Pain management: The process of providing medical care that alleviates or reduces pain. Pain management is an…
- Section, cross A transverse cut through a structure. The opposite is a longitudinal section
- Bone, zygomatic The bone that forms the prominence of the cheek. The zygomatic bone is also known as the zygoma, the…
- Phlebitis Inflammation of a vein. With phlebitis, there is infiltration of the walls of the vein and, usually, the…
- Keloid Keloid: A scar that doesn't know when to stop. When the skin is injured, cells grow back to fill in the gap…
- Headache, vascular A group of headaches felt to involve abnormal sensitivity of the blood vessels (arteries) in the brain to…
- Sphenoid 1. Shaped like a wedge. 2. Relating to the sphenoid bone (which is wedge-shaped)
- Neuroradiology The field within radiology that specializes in the use of radioactive substances, x-rays and scanning devices…
- Ear wax Ear wax: A natural wax-like substance secreted by special glands in the skin on the outer part of the ear…
- Infection, yeast Infection due to fungal organisms which have the characteristic of being single-celled, usually rounded and…
- Prefixes, medical Medical words are often put together, cobbled from two or more building blocks. Among these building blocks…
- Efferent vessel A vessel carrying blood away from the heart. An artery or arteriole