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).
Contact dermatitis, allergic
Also called allergic contact eczema, this is a red, itchy, weepy reaction where the skin has come into contact with a substance that the immune system recognizes as foreign, such as poison ivy or certain preservatives in creams and lotions
Read the definitionRandom terms
Show more- Bacterial prostatitis, chronic Prostatitis, chronic: Longstanding bacterial infection of the prostate gland superimposed on a defect in the…
- Aphrasia The inability to speak or understand phrases
- BMP Bone morphogenetic protein
- Gland, bulbourethral See: Bulbourethral gland
- Macula A macula is a small spot. A macula on the skin is a small flat spot while the macula in the eye is a small…
- NIA (National Institute on Aging) One of the US National Institutes of Health (NIH). The mission of the National Institute on Aging is to 'lead…
- Osteotomy Taking out part or all of a bone, or cutting into or through bone.
- Atrioventricular node The atrioventricular (AV) node is an electrical relay station between the atria (the upper) and the…
- VSD A Ventricular Septal Defect, a hole in the septum (the wall) between the lower chambers of the heart (the…
- Formula feeding Feeding an infant or toddler prepared formula rather than breast-feeding, or in addition to breast-feeding…
- Ascariasis Infection with Ascaris lubricoides, the intestinal roundworm, the most common worm infection in humans…
- Childhood (1) The time for a boy or girl from birth until he or she is an adult. (2) The more circumscribed period of…