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).
Allergic reaction
The hypersensitive response of the immune system of an allergic individual to a substance. When an allergen enters the body, it causes the body's immune system to develop an allergic reaction in a person with an allergy to it. This…
Read the definitionRandom terms
Show more- Ligate To tie or to tie off, as in to ligate an artery. From the Latin 'ligare' meaning 'to bind or tie.' Ligature…
- Amino acid, branched-chain One of the amino acids that has a branch chain, namely, Leucine, isoleucine, and valine
- Tuberculin A protein extracted from Mycobacterium tuberculosis that is used in a skin test to determine if a person has…
- Pterygium A winglike triangular membrane. Although a pterygium can be anywhere, including behind the knee, it commonly…
- Infant water requirements Water is an important part of a baby's diet because water makes up a large proportion of the baby's body…
- Bioinformatics The sum of the computational approaches to analyze, manage, and store biological data. Bioinformatics…
- Homeopathic medicine See: Homeopathy
- Cholangitis Inflammation of the bile duct. From cholangi-, pertaining to a bile duct + -itis, inflammation. See also…
- PIGF Placental growth factor
- Winter depression See: Tooth, wisdom.
- Public grief See: Public mourning
- Thrombin A key clot promoter, thrombin is an enzyme that presides over the conversion of a substance called fibrinogen…