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).
ER
1. Emergency room. 2. Endoplasmic reticulum. 3. Estrogen receptor. 4. Extended release.
Read the definitionRandom terms
Show more- Snellen's test type The letters on the familiar eye chart used to measure how well you see at various distances. The eye chart…
- Genome Research Institute, National Human RI): One of the newest of the National Institutes of Health (NIH), NHGRI's mission in formal terms is to…
- Arachidonate 5-lipoxygenase activating protein ALOX5AP. See: FLAP
- Venom A poison, particularly one secreted by an animal. For examples, bee venom, snake venom, scorpion venom, and…
- BRCA breast cancer gene Breast cancer gene: One of several genetic mutations linked to breast cancer and ovarian cancer. There is now…
- Test, Denver Developmental Screening The Denver Developmental Screening Test (DDST) is a widely used assessment for examining children 0-6 years…
- Parrot fever (psittacosis) An infectious disease due to a bacteria (Chlamydia psittaci) contracted from psittacine birds, especially…
- Septicemia Systemic (bodywide) illness with toxicity due to invasion of the bloodstream by virulent bacteria coming from…
- Butyric acid An acid that has four carbons in it. The formula for butyric acid is: CH3-CH2-CH2-COOH
- Coitus Sexual union of a male and a female; also called sexual intercourse. Coitus begins when the male inserts his…
- Intravenous immunoglobulin A sterile solution of concentrated antibodies extracted from healthy people that is given straight into a…
- Wilson disease Women. A late 20th century creation. A feminist spelling to avoid the suffix men.