MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Nurse assistant
A person who has completed a brief health-care training program, and who provides support services for RNs and LPNs. Also known as an orderly or, when certified by a state agency, a certified nurse aide (CNA)
Read the definitionRandom terms
Show more- Juvenile-onset diabetes See Diabetes, type 1
- Volvulus Abnormal twisting of the intestine which can impair the blood flow to the intestine. Volvulus can lead to…
- C6 (cervical vertebra) The sixth cervical (neck) vertebra from the top. The next-to-last of the seven cervical vertebrae
- Abortion In medicine, an abortion is the premature exit of the products of conception (the fetus, fetal membranes, and…
- Peter Mansfield See: Mansfield, Peter
- Herbal 1. An adjective, referring to herbs, as in an herbal tea.2. A noun, usually reflecting the botanical or…
- Heart septum The septum of the heart is the dividing wall between the right and left sides of the heart. That portion of…
- Theorem, Bayes See: Bayes theorem
- Hepat- Having to do with the liver. Pronounced hi-'pa-tik. From the Latin hepaticus derived from the Greek hepar…
- Elective mutism Complete lack of speech (mutism) that is believed to be volitional (willed) on the part of the patient. True…
- NIH A genetic disease named for the city of Nijmegen (in The Netherlands) with increased chromosome breakage…
- Biofluid A biological fluid. Biofluids can be excreted (such as urine or sweat), secreted (such as breast milk or…