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).
Test, allergy skin
Allergy skin: Test done on the skin to identify the allergy substance (the allergen) that is triggering the allergic reaction. A small amount of the suspected allergy-provoking substance is placed on the skin. The skin is then gently…
Read the definitionRandom terms
Show more- Dilate To stretch or enlarge. It comes from the Latin verb 'dilatare' meaning 'to enlarge or expand.
- Traction, orthopedic The use of a system of weights and pulleys to gradually change the position of a bone. It may be used in…
- NLM (National Library of Medicine) The world's largest medical library, the U.S. National Library of Medicine (NLM) is part of the National…
- Shot, flu The flu (influenza) vaccine is recommended annually (each year) for persons at high risk for serious…
- Pharmacy A location where prescription drugs are sold. A pharmacy is, by law, constantly supervised by a licensed…
- Acanthosis nigricans A skin condition characterized by dark thickened velvety patches, especially in the folds of skin in the…
- Danlos syndrome Better known today as Ehlers-Danlos syndrome (EDS), this is an inherited disorder with easy bruising, joint…
- Agent, antiviral An agent that kills viruses or suppresses their replication and, hence, inhibits their capability to multiply…
- Scratch test for allergy A mammogram (an X-ray of the breast) in women who have no signs of breast cancer. It usually involves two…
- Choanal Pertaining to the choana, the passageway from the back of one side of the nose to the throat. The choana is…
- Section 1) In anatomy, a slice of tissue. A biopsy obtained by surgery is usually sectioned (sliced), and these…
- Gamete The sperm or the egg. Each human gamete normally has 23 chromosomes, the haploid number of chromosomes, half…