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).
Gray's Anatomy
A book entitled 'Anatomy Descriptive and Surgical' by Henry Gray appeared in 1858. Little could Dr. Gray have suspected that his textbook of human anatomy would still be in print today and be perhaps the best known of all medical books…
Read the definitionRandom terms
Show more- Therapy The treatment of disease. Therapy is synonymous with treatment, as for example: > >Antiretroviral therapy…
- Hepatitis A immunization When immediate protection against hepatitis A (infectious hepatitis) is needed, immunoglobulins are used…
- Reproductive system In women, the organs that are directly involved in producing eggs and in conceiving and carrying babies. In…
- Salaam seizure See: Infantile spasms
- Quasi- Prefix meaning seemingly. As, for example, in quasidominant, seemingly dominant.
- Nomenclature A system of names used in a particular discipline, as in medicine and surgery, anatomy and biochemistry, etc…
- Fear of blood An abnormal and persistent fear of blood. Sufferers of this very common phobia dread the sight of their own…
- ADR Adverse drug reaction. See: Adverse reaction..
- Hamstring The prominent tendons at the back of the knee. They are the sidewalls of the hollow behind the knee. (This…
- Stenosis A narrowing, as in: > >aortic stenosis (narrowing of the aortic valve of the heart), >pulmonary stenosis…
- Alactasia Lack of the enzyme lactase which is needed to digest the milk sugar lactose. See: Lactase deficiency
- Medical journals In 1665 the Royal Society in England published one of the first 2 scientific journals in the world: the…