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).
Pneumothorax
Pneumothorax: Free air in the chest outside the lung. Pneumothorax can occur spontaneously ('out of the blue', with or without underlying lung disease), follow a fractured rib, occur in the wake of chest surgery, or be deliberately induced…
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Show more- Cryoprotectant A chemical component of a freezing solution used in cryopreservation (the process of cooling and storing…
- Disease, Vrolik's Osteogenesis imperfecta type II, an inherited connective tissue disorder with very severe bone fragility, the…
- Utility In the analysis of health outcomes, utility is a number between 0 and 1 that is assigned to a state of health…
- PEG Stands for percutaneous endoscopic gastrostomy, a surgical procedure for placing a feeding tube without…
- Parathyroidectomy Parathyroidectomy: Surgical removal of one or more of the parathyroid glands. Parathyroidectomy is usually…
- Synovia The joint fluid. The term synovia was invented in 1520 by the Swiss physician (and alchemist) Paracelsus who…
- Spontaneous abortion A miscarriage, that is, any pregnancy that is not viable (the fetus cannot survive) or in which the fetus is…
- Spanish influenza See: Spanish flu
- Nummular eczema Coin-shaped patches of irritated skin-most common on the arms, back, buttocks, and lower legs that may be…
- Frequency, urinary Urinating too often, at too frequent intervals, not due to an unusually large volume of urine, but rather to…
- Intersexual genitalia Genitalia that are neither typically female nor typically male. Known in clinical medicine as ambiguous…
- Senile 1. Pertaining to old age. 2. Pertaining to the physical decline associated with old age. 3. Pertaining to the…