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).
Patient controlled analgesia
See: PCA
Read the definitionRandom terms
Show more- Macroorchidism Abnormally large testes. To determine if the testes are too large, a device called an orchidometer is used…
- Sperm A sperm is the male 'gamete' or sex cell. It combines with the female 'gamete,' called an ovum, to form a…
- HHT Abbreviation for the disease called hereditary hemorrhagic telangiectasia. See: Hereditary hemorrhagic…
- Psoralen photochemotherapy See: PUVA
- Bio- Prefix indicating living plants or creatures, as in biology, the study of living organisms
- Lateral collateral ligament (LCL) of the knee The knee joint is surrounded by a joint capsule with ligaments strapping the inside and outside of the joint…
- Coronary artery bypass graft Coronary artery bypass graft: Abbreviated CABG. A form of bypass surgery that can create new routes around…
- Scarlatina Also called scarlet fever, a disease caused by infection with group A streptococcal bacteria that occurs in a…
- Corpora cavernosa Two chambers in the penis which run the length of the organ and are filled with spongy tissue. Blood flows in…
- Chronic myeloid leukemia See: Chronic myelogenous leukemia
- Epiphenomenon 1. An additional symptom or condition that appears during the course of a disease. A doctor might ask if you…
- Allergy and Infectious Diseases, National Inst. One of the U.S. National Institutes of Health (NIH), the mission of the NIAID is 'to support and conduct…