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).
Alkaloid
A member of a large group of chemicals that are made by plants and have nitrogen in them. Many alkaloids possess potent pharmacologic effects. The alkaloids include cocaine, nicotine, strychnine, piperine, caffeine, morphine, pilocarpine…
Read the definitionRandom terms
Show more- Hypophosphatemia A less than normal blood level of phosphate. The opposite of hyperphosphatemia.
- Vesicoenteric Pertaining to both the urinary bladder and intestine or to a communication between them, as in a…
- Drip In medical usage, a drip is not a dull, unattractive person but a device for administering a fluid…
- Dermatitis Inflammation of the skin, either due to direct contact with an irritating substance, or to an allergic…
- Syndrome, Lenz microphthalmia See: Lenz microphthalmia syndrome
- Rhinitis, allergic The medical term for hayfever. (Hay fever is a misnomer since hay is not a usual cause of this problem and…
- Antiretroviral therapy (ART) Treatment that suppresses or stops a retrovirus. One of the retrovirus is the human immunodeficiency virus…
- Chloroacetophenone A riot control agent or 'tear gas.' See: Riot control agent poisoning
- Venous catheterization See: Catherization, venous
- Keratosis follicularis A genetic skin disease characterized by slowly progressive hardening of the skin (keratoses) around the hair…
- Trigeminal nerve The trigeminal nerve functions both as the chief nerve of sensation for the face and the motor nerve…
- Atrial fib Atrial fibrillation