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).
Toxicity
The degree to which a substance can harm humans or animals. Toxicity can be acute, subchronic, or chronic: > >Acute toxicity involves harmful effects in an organism through a single or short-term exposure. >Subchronic toxicity is the…
Read the definitionRandom terms
Show more- Voiding cystourethrogram A test done to examine the bladder and urethra while the bladder fills and empties. A radiopaque liquid (that…
- Symphysis pubis The area in the front of the pelvis where the pubic bones (the two bones of the pubis) meet
- Antisocial personality See: Antisocial personality disorder
- Iodide goiter See Iodine excess
- Oncogene ErbB See: EGFR
- Albumin The main protein in human blood and the key to the regulation of the osmotic pressure of blood. Chemically…
- Mastitis Inflammation of one or more mammary glands within the breast, usually in a lactating woman. It can be felt as…
- Abuse, substance See: Substance abuse
- Esophagus The tube that connects the pharynx (throat) with the stomach. The esophagus lies between the trachea…
- Tocolysis The delaying or inhibition of labor during the birth process
- Dissection, axillary Surgery in which the axilla (the armpit) is opened -- to 'dissect' means to 'cut apart' -- in order to…
- CXCR4 A chemokine receptor found on a wide variety of cells that serves as the coreceptor for HIV. HIV strains that…