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).
Post-nasal drip
Mucous accumulation in the back of the nose and throat leading to or giving the sensation of mucus dripping downward from the back of the nose
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Show more- Polio, abortive A minor form of infection with the polio virus, abortive polio accounts for 80 to 90 percent of clinically…
- Type I error The statistical error (said to be 'of the first kind' or alpha error) made in testing an hypothesis when it…
- Antineoplastic Acting to prevent, inhibit or halt the development of a neoplasm (a tumor). An agent with antineoplastic…
- Hg Symbol for the metallic element mercury. The abbreviation 'mm Hg' means millimeters of mercury, the height of…
- Pancreas, annular An abnormal ring of pancreatic tissue that encircles the duodenum and often causes intestinal obstruction…
- Abscess, peritonsillar See: Peritonsillar abscess
- Gland, Meibomian See: Meibomian gland
- Insemination, homologous A procedure in which a fine catheter (tube) is inserted through the cervix (the natural opening of the…
- Keratin Protein in the upper layer of the skin, hair, nails and animal horns. The word keratin comes from the…
- Pressor substance A substance that elevates the arterial blood pressure. For example, prostacyclin (prostaglandin PGI2) is a…
- Fire ant sting A scourge, these red or yellow ants of small-to-medium size, originally from South America, have a severe…
- Hemorrhage, subarachnoid Bleeding within the head into the space between two membranes that surround the brain. The bleeding is…