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).
Typhus fever
See: Typhus
Read the definitionRandom terms
Show more- Psychiatry The medical specialty concerned with the prevention, diagnosis, and treatment of mental illness…
- Lactase Enzyme that breaks down the milk sugar lactose into glucose and galactose. Persons with a deficiency of…
- Senile 1. Pertaining to old age. 2. Pertaining to the physical decline associated with old age. 3. Pertaining to the…
- Amsler grid While conducting an eye examination, the eye care professional may ask the patient to look at an Amsler grid…
- Angina pectoris Chest pain that is typically severe and crushing with a feeling just behind the breastbone (the sternum) of…
- Iontophoresis A transdermal delivery system in which a substance bearing a charge is propelled through the skin by a low…
- DPT immunization Immunization to protect against diphtheria, pertussis (whooping cough), and tetanus. DPT immunizations are…
- Arborvirus What's in a name? Although 'arbor' sounds as if it should have something to do with trees, it doesn't. It…
- Four-finger line See: Simian crease
- Lab test A test that is done in the laboratory where the appropriate equipment, supplies, and certified expertise are…
- Ptosis of the eyelids, congenital Drooping of the upper eyelids at birth. The lids may droop only slightly or they may cover the pupils and…
- Natural immunity Immunity that is naturally existing, Natural immunity does not require prior sensitization to an antigen…