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).
Node, sentinel lymph
The first lymph node ('gland') to receive lymphatic drainage from a tumor. Which lymph node is the sentinel node for a given tumor is determined by injecting around the tumor a tracer substance that will travel through the lymphatic system…
Read the definitionRandom terms
Show more- Lancing device A device that holds a lancet firmly, and when triggered, moves the lancet linearly ahead to prick the skin in…
- Stick, heel See: Heel stick
- Genome, canine See: Dog genome
- Cerebral vascular disease See: Cerebrovascular disease
- Disease, variant Creutzfeldt-Jakob Abbreviated vCJD. A human disease thought due to the same infectious agent as bovine spongiform…
- Nolvadex (tamoxifen) Tamoxifen): An antiestrogen (a drug that blocks the effects of estrogen) which competes with estrogen for…
- Immunodeficiency Inability to mount a normal immune response. Immunodeficiency can be due to a genetic disease or acquired as…
- IBD (inflammatory bowel disease) A group of chronic intestinal diseases characterized by inflammation of the bowel -- the large or small…
- Retinal electrophysiologic testing See: Electrophysiologic retinal testing
- Scale, Fahrenheit Thermometer scale in which the freezing point of water is 32°F and the boiling point of water 212°F. The…
- Microbe A very tiny form of life -- microbes include bacteria, fungi, and protozoan parasites -- best visualized…
- Anthrax =4 cel ODYvAlign=top bgColor=#cccccc colSpan=2> vAlign=top width='100%' bgColor=#ffffff>Our Anthrax Main…