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).
Hiatal hernia
Hiatal hernia: An anatomical abnormality in which part of the stomach protrudes up through the diaphragm into the chest. NTER> Normally, the esophagus passes down through the chest, crosses the diaphragm, enters the abdomen through a hole…
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Show more- Tropical diabetes Diabetes mellitus associated with chronic malnutrition and, sometimes, chronic pancreatitis. Whether tropical…
- Male chromosome complement The large majority of males have a 46, XY chromosome complement (46 chromosomes including an X and a Y…
- Bronchiolitis Inflammation of the bronchioles, the airways that extend beyond the bronchi and terminate in the alveoli…
- Genome, rice The first commercially important plant to have its genome sequenced. This feat, completed early in 2001, is…
- Thumb The short thick finger situated at an angle to the other fingers so it can be opposed to the them, making it…
- Thioxanthene One of a group of drugs with antipsychotic activity which act by blocking postsynaptic (after-the-nerve)…
- Gallop rhythm Heart rhythm like the gallop of a horse.
- Thyroid hormone receptor A molecule that receives a thyroid hormone and permits it to dock on the nuclear membrane of a cell. The…
- Surfactant A fluid secreted by the cells of the alveoli (the tiny air sacs in the lungs) that serves to reduce the…
- Percutaneous endoscopic gastrostomy (PEG) Percutaneous endoscopic gastrostomy (PEG): A surgical procedure for placing a feeding tube without having to…
- Serendipity An accidental and fortunate discovery. Not all good medical research by any means is done by design. Some is…
- Propylthiouracil (PTU) A drug that blocks the production of thyroid hormone by the thyroid gland. PTU is used to treat…