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).
Phenolphthalein
A compound used as a laboratory reagent and acid-base indicator and also used in over-the-counter (OTC) laxative preparations. Phenolphthalein may be a carcinogen (cancer-causing agent). Feeding of phenolphthalein caused cancer in multiple…
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Show more- Carcinoma in situ Cancer that involves only the place in which it began and that has not spread. Carcinoma in situ is an…
- Hormone, growth A hormone made in the pituitary gland that stimulates the release of another hormone called somatomedin by…
- Anti-emetic See: Antiemetic
- Primary teeth The first teeth which are shed and replaced by permanent teeth. The first primary tooth comes in at about 6…
- Amino acid One of the 20 building blocks of protein. The sequence of amino acids in a protein and, hence, the function…
- Isotonic exercise Exercise when a contracting muscle shortens against a constant load, as when lifting a weight. Isotonic…
- Occipital hematoma A hematoma (collection of blood) in the occipital region (at the back of the head). An occipital hematoma may…
- Myc- The plural of mycelium.
- Mitochondrion Singular of mitochondria. The mitochondria are normal structures called organelles in cells. They are located…
- Alcoholism Physical dependence on alcohol to the extent that stopping alcohol use will bring on withdrawal symptoms. In…
- H. heilmannii Abbreviation for Helicobacter heilmannii, a bacteria that infects most cats, dogs and pigs and, in them…
- Facies A direct borrowing from the Latin, facies means face.