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).
STI
Abbreviation for: 1. Sexually transmitted infection. 2. Soft tissue infection. 3. Systolic time interval
Read the definitionRandom terms
Show more- Study, preclinical A study to test a drug, procedure or medical treatment in animals. The aim is to collect data in support of…
- Creatinine clearance test A test that helps determine whether the kidneys are functioning normally. Specifically, the…
- Intensive care See critical care
- Dopamine An important neurotransmitter (messenger) in the brain. Dopamine is classified as a catecholamine (a class of…
- Reaction, vasovagal See: Vasovagal reaction
- A (adenine) In genetics, A stands for adenine, one member of the A-T (adenine-thymine) base pair in DNA. The other base…
- Dwarf Someone with dwarfism, which is now more correctly called short stature. People with dwarfism (short stature)…
- Anion A negatively charged ion. Pronounced an-I-on. An anion is as opposed to a cation, which is a positively…
- Clark level of invasion A method for determining the prognosis (outlook) with melanoma. The method was devised by the pathologist…
- Peritoneum The membrane that lines the abdominal cavity and covers most of the abdominal organs. (From the Greek peri-…
- Curettement Curettage
- Yeast diaper rash Rash: Infection in the diaper area caused by a yeast formerly called Monilia and now called Candida. These…