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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Immune response
Any reaction by the immune system.
Read the definitionRandom terms
Show more- Ala Alanine. See also: Amino acid symbols
- Kinetics Kinetics (with an 's' at the end) refers to the rate of change in a biochemical (or other) reaction, the…
- Ketone bodies Chemicals that the body makes when there is not enough insulin in the blood and it must break down fat…
- Ectrodactyly >transverse terminal aphalangia (absence of the last bone in the finger or toe), >adactylia (total absence of…
- Intrafallopian A term meaning 'within the fallopian tube.' There are two fallopian tubes in female mammals, including human…
- Yogurt A common dish made of milk curdled and fermented with a culture of Lactobacillus (the milk bacillus). The…
- Fibrillation, auricular Essentially the same as atrial fibrillation
- Nodular melanoma See: Melanoma, nodular
- Olfactory system See: Olfactory apparatus
- Category 4 storm See: Category four hurricane
- Shank 1. In anatomy, the tibia, the larger bone in the lower leg. The term is rarely used in this sense today.2. In…
- Intertrigo A superficial skin disorder involving any area of the body where opposing skin surfaces may touch and rub…