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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Pharmacopeia
Also spelled pharmacopoeia, an official authoritative listing of drugs. Aspirin has, for example, long been in the pharmacopeia. By extension, a pharmacopeia is a collection or stock of drugs.
Read the definitionRandom terms
Show more- Neuritis Inflammation of nerves.
- Endothelial Relating to the endothelium, the layer of flat cells lining the closed spaces of the body such as the inside…
- Vaginal membrane A thin membrane which completely or partially occludes the vaginal opening. This fold of mucous membrane is…
- CD40 A receptor molecule on the cell surface of all mature B cells (B lymphocytes), most B-cell malignancies, and…
- Lateral meniscus of the knee The word 'meniscus' refers to a crescent-shaped structure. The lateral meniscus of the knee is a thickened…
- Chromatin The nucleoprotein material of chromosomes. Chromatin is essentially the substance of chromosomes. It is made…
- Pneumocystis carinii Now called Pneumocystis jiroveci. See: Pneumocystis
- Nictitate To wink. Nictitating spasm is spasm of the eyelid with continuous winking. 'Nictitate' and the older verb…
- Lice, head See: Head lice
- Long arm of a chromosome The long arm of a chromosome is termed the q arm. All human chromosomes have 2 arms, the p (short) arm and…
- Genetic meltdown A genomic crisis due to an extraordinarily high rate of mutation, a phenomenon known to occur in viruses and…
- Precocious Unusually early development, whether it be of intellectual powers, speech, physical traits, etc. Precocious…