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).
Neophobia
Fear of anything new, of innovation, an irrational fear of new situations, places, or things. In animal behavior, neophobia refers to the tendency of an animal to avoid or retreat from an unfamiliar object or situation. All phobias are…
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Show more- Sympathetic nervous system A part of the nervous system that serves to accelerate the heart rate, constrict blood vessels, and raise…
- Iontophoresis A transdermal delivery system in which a substance bearing a charge is propelled through the skin by a low…
- Valgus (valga, valgum) Angled outward, bent or twisted outward, as in cubitus valgus, coxa valga, hallux valgus, and…
- Centric-fusion translocation A type of chromosome rearrangement, also called a Robertsonian translocation, in which there is fusion of an…
- Dilate To stretch or enlarge. It comes from the Latin verb 'dilatare' meaning 'to enlarge or expand.
- Dip, wax A treatment for the symptoms of joint and muscle conditions, such as arthritis, that consists of melted…
- Endocrine Pertaining to hormones and the glands that make and secrete them into the bloodstream through which they…
- M.D. Abbreviation for the Latin title Medicinae Doctor, Doctor of Medicine. Sometimes written today as MD (without…
- Affinity In immunology, the strength of binding interaction between antigen and antibody molecules
- Paroxysm In medicine, a paroxysm is a violent attack. It may be due to the sudden occurrence of symptoms or the acute…
- Nasoenteral tube See: Nasogastric tube
- Amelanotic Without melanin. A skin lesion that is amelanotic lacks the pigment melanin and therefore is essentially…