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).
Fornication
Sexual intercourse that is 'illicit', outside of marriage. The term 'fornication' has a close medical relative by the name of 'fornix', the word for 'arch' in Latin. It seems that the Roman prostitutes used to hang out under the arches of…
Read the definitionRandom terms
Show more- Abstemious Marked by restraint, especially in the consumption of food or alcohol. From the Latin prefix 'abs-,' meaning…
- Sweat A colorless transparent acidic fluid with a distinctive odor secreted by the small tubular sudoriferous…
- National Institute of Mental Health (NIMH) One of the National Institutes of Health in the U.S., NIMH's mission is to 'provide national leadership…
- ADH (antidiuretic hormone) A peptide molecule that is released by the pituitary gland at the base of the brain after being made nearby…
- Hepatocarcinoma Carcinoma (a form of cancer) that originates in liver cells. Hepatocarcinoma is better known today as…
- Central line A catheter (tube) that is passed through a vein to end up in the thoracic (chest) portion of the vena cava…
- Vesicles In dermatology, vesicles are small blisters, most often on the skin. Vesicles also can crop up on the mucous…
- Rod Beals See: Beals, Rodney K.
- Coagulation In medicine, the clotting of blood. The process by which the blood clots to form solid masses, or clots. More…
- Male condom The male condom is a sheath placed over the erect penis before penetration, preventing pregnancy by blocking…
- Alprazolam Alprazolam: A benzodiazepine sedative that causes dose-related depression of the central nervous system…
- Syndrome, myelodysplastic See: Myelodysplastic syndrome