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).
Syphilis
A sexually transmitted disease caused by Treponema pallidum, a microscopic organism called a spirochete. This worm-like, spiral-shaped organism infects people by burrowing into the moist mucous membranes of the mouth or genitals. From…
Read the definitionRandom terms
Show more- Penile Of or pertaining to the penis
- Acute angle-closure glaucoma Increased pressure in the front chamber (anterior chamber) of the eye due to sudden (acute) blockage of the…
- Lactobacillus A bacterium normally found in the mouth, intestinal tract, and vagina. Lactobacillus can also live in…
- Pharmacopeia Also spelled pharmacopoeia, an official authoritative listing of drugs. Aspirin has, for example, long been…
- Gray syndrome See: Gray baby syndrome
- Tic douloureux A synonym for trigeminal neuralgia. From the French, meaning literally a painful tic. See: Trigeminal…
- Ketonuria A condition in which abnormally high amounts of ketone bodies (a byproduct of the breakdown of cells) are…
- Optic nerve pathways The left and right branches of the optic nerves join behind the eyes, just in front of the pituitary gland…
- Acrodermatitis enteropathica An historic model for the therapy of genetic disease. In an era (the 1950s) when inherited disorders were…
- Leucovorin Folinic acid, the active form of folic acid in the body. Used as an antidote to protect normal cells from…
- Cells, germ The eggs and sperm are the germ cells: the reproductive cells. Each mature germ cell is haploid in that it…
- Foreign body airway obstruction Partial or complete blockage of the breathing tubes to the lungs due to a foreign body (e.g., food, a bead…