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).
PCO
1. Abbreviation in medical records for 'Patient complains of.' 2. Abbreviation for polycystic ovary. See also: Polycystic ovarian syndrome
Read the definitionRandom terms
Show more- Passive smoking The inhaling of environmental tobacco smoke (ETS) by someone who is not smoking. See: ETS
- Medigap Health insurance in the US that is intended to supplement Medicare benefits and presumably to fill the gaps…
- Postmature infant A baby born 2 weeks (14 days) or more after the usual 9 months (280 days) of gestation. The gestation (length…
- Leukemia, acute myeloid Leukemia, acute myeloid: A quickly progressive malignant disease in which there are too many immature…
- Porcine Having to do with swine. From the Latin 'porcus' meaning 'pig.' Porcine insulin is obtained from pig…
- Bile sludge A mixture of microscopic particulate matter in bile that occurs when particles of material precipitate from…
- Fear of feces El waste): An abnormal and persistent fear of feces (bowel waste). Sufferers of this fear experience anxiety…
- Randomly In a random manner, as by chance alone. The participants in the trial were randomly assigned to receive…
- Bilateral Having, or relating to, two sides. Bilateral is as opposed, for example, to unilateral (which means having…
- Chronic illness An illness that persists for a long period of time. The term 'chronic' comes from the Greek chronos, time and…
- Behavioral medicine An interdisciplinary field of research and practice that focuses on how people's thoughts and behavior affect…
- Meckel's diverticulum An outpouching from the small intestine, due to failure of obliteration of the yolk stalk (which normally…