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).
New variant Creutzfeldt-Jakob disease
Abbreviated nvCJD. A human disease thought due to the same infectious agent as bovine spongiform encephalopathy (BSE), or mad cow disease. Both the human and bovine disorders are invariably fatal brain diseases with unusually long…
Read the definitionRandom terms
Show more- Evolution The continuing process of change, especially in reference to natural selection. Charles Darwin (1809-82)…
- Sex before sports Sexual intercourse before an athletic event. A commonly held belief in sports is that athletes should not…
- Psychedelic 1. Hallucinogenic, distorting perception and awareness. 2. A drug such as LSD or mescaline that has…
- Freckle A flat circular spot on the skin about the size of the head of a nail that develops after repeated exposure…
- Glossolalia Nonsensical sounds that mimic the rhythms and inflections of actual speech. Glossolalia may be seen in deep…
- Compound 118 Trade name of the insecticide aldrin. See: Aldrin and dieldrin
- Venous aneurysm A local widening and bulging (an aneurysm) of a vein. As opposed to an arterial aneurysm or a cardiac…
- Pheresis Procedure in which the blood is filtered, separated, and a portion retained, with the remainder being…
- Mucopolysaccharidosis type IIIB Sanfilippo syndrome due to deficiency of the enzyme alpha-N-acetylglucosaminidase. See also…
- Fear of children An abnormal and persistent fear of babies and children. Sufferers experience anxiety even though they realize…
- C (cytosine) C stands for cytosine, a DNA nucleotide that which is one member of the base pair in DNA consisting of…
- Morning sickness Nausea and vomiting of pregnancy. Morning sickness is a misnomer, because it can occur at any time of the day…