MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Mortality rate, infant
The number of children dying under a year of age divided by the number of live births that year. The infant mortality rate is also called the infant death rate. The infant mortality rate is an important measure of the well-being of…
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Show more- Pandiculation The act of stretching and yawning. (If you are in a public place, you might consider demonstrating the…
- Elastase 2 Neutrophil elastase, an enzyme in neutrophils that digests elastin. The gene ELA2 encoding elastase 2 is on…
- Central line A catheter (tube) that is passed through a vein to end up in the thoracic (chest) portion of the vena cava…
- Catecholamine Pronounced cat·e·chol·amine. An amine derived from the amino acid tyrosine -- examples include epinephrine…
- Hydrogen cyanide See: Cyanide
- Inner ear There are three sections of the ear. They are the external ear, the middle ear, and the inner ear. The inner…
- Fear of depths An abnormal and persistent fear of depths. Sufferers of this fear experience anxiety even though they realize…
- Traction, orthopedic The use of a system of weights and pulleys to gradually change the position of a bone. It may be used in…
- Electrophoresis A process by which molecules (such as proteins, DNA, or RNA fragments) can be separated according to size and…
- Scutellaria barbata A Chinese herb that belongs to a group of herbs named Scutellaria (scullcap or skullcap). It is related to…
- Open heart surgery Surgery in which the chest is opened and surgery is performed on the heart. The term 'open' refers to the…
- Immunocow A cow that has been genetically engineered to produce human antibodies. An immunocow, when challenged with an…