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).
Health for All
A global health movement undertaken by the World Health Organization (WHO) in the late 20th century. In 1977, the World Health Assembly decided that the major social goal of governments and WHO should be the attainment by all people of the…
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Show more- Allergy Allergy: A misguided reaction to foreign substances by the immune system, the body system of defense against…
- Genome, dog See: Dog genome
- Abstemious Marked by restraint, especially in the consumption of food or alcohol. From the Latin prefix 'abs-,' meaning…
- Sphenoid 1. Shaped like a wedge. 2. Relating to the sphenoid bone (which is wedge-shaped)
- Vector In medicine, a vector is a carrier. The best way to understand a vector is to recall its origin as a word…
- Hydrocephalus Hydrocephalus: Hydrocephalus is an abnormal buildup of cerebrospinal fluid (CSF) in the ventricles of the…
- Nerve conduction velocity test Nerve conduction velocity test> An electrical test used to detect nerve conditions. In the nerve conduction…
- Melanoderma Increased skin pigmentation, darkening of the skin. This is directly due to an increased amount of melanin…
- Subcutaneous Under the skin. 'Subcutaneous' implies just under the skin. With a subcutaneous injection, a needle is…
- Cranial nerve, fourth The fourth cranial nerve, the trochlear nerve, is the nerve supply to the superior oblique muscle of the eye…
- Pancreatic cancer Pancreatic cancer: Malignancy of the pancreas. Pancreatic cancer has been called a 'silent' disease because…
- Radial keratotomy An eye surgery procedure designed to flatten the cornea, reducing its optical power, to correct…