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).
Cell cycle
The sequence of events within the cell between cell divisions. The cell cycle is conventionally divided into the following phases: > >G0 (G zero, the G standing for gap) >G1, (G one, the first gap) >S (synthesis phase during which the DNA…
Read the definitionRandom terms
Show more- Antegrade Forward-moving. As in blood flow. Sometimes synonymous with anterograde. From the Latin ante- + gradior, to…
- Heterozygote A person possessing two different forms of a particular gene, one inherited from each parent. A heterozygote…
- Appendix cancer A malignancy of the appendix, accounting for about 1 in 200 of all gastrointestinal malignancies. Although…
- C-section Short for Caesarian section, a procedure in which a baby, rather than being born vaginally, is surgically…
- Chargaff ratios See: Chargaff rule
- Birth control, emergency See: Emergency contraception
- Opisthotonos A great rigid spasm of the body with the back fully arched and the heels and head bent back. Opisthotonos…
- Compression 1. The act of pressing together. As in a compression fracture, nerve compression, or spinal cord compression…
- Pneumosilicosis See: Silicosis
- Disease, new variant Creutzfeldt-Jakob Abbreviated nvCJD. A human disease thought due to the same infectious agent as bovine spongiform…
- Neurectomy The removal of part or all of a nerve
- Cystine An amino acid that is particularly notable because it is the least soluble of all of the naturally occurring…