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).
Environmental toxicology
The toxicity and toxicology of environmental pollutants in air, dust, sediment, soil and water, and natural toxins in the environment
Read the definitionRandom terms
Show more- Chemotherapy, adjuvant Chemotherapy, adjuvant: Chemotherapy (drug therapy) that is given after tumor surgery. The idea underpinning…
- Condyloma subcutaneum Molluscum contagiosum. Wartlike growths around the anus and genitals caused by a virus. Molluscum contagiosum…
- Sentinel lymph node The first lymph node ('gland') to receive lymphatic drainage from a tumor. Which lymph node is the sentinel…
- Bifid Cleft (split) in two. See, for example, bifid uvula
- Lay midwife A midwife who has entered the profession as an apprentice to a practicing midwife rather than attending a…
- Foodborne disease A disease caused by consuming contaminated food or drink. Myriad microbes and toxic substances can…
- Mucolipidosis I A type of mucolipidosis (see below) characterized by deficiency of the enzyme neuraminidase (sialidase)…
- Post-nasal drip Mucous accumulation in the back of the nose and throat leading to or giving the sensation of mucus dripping…
- Arthroscope A thin flexible fiberoptic scope which is introduced into a joint space through a small incision in order to…
- Epiglottitis, acute A very rapidly progressive infection causing inflammation of the epiglottis (the flap that covers the…
- Syndrome, Stevens-Johnson A genetic disorder also known as hyperexplexia in which babies have an exaggerated startle reflex (reaction)…
- Amelioration Not a word confined to medicine but a word used in medicine, amelioration is synonymous with improvement. If…