MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Expulsion, stage of
The part of labor from the full dilatation of the cervix until the baby is completely out of the birth canal. The second stage of labor
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Show more- Tylosis with esophageal cancer A genetic disorder characterized by thickening (hyperkeratosis) of the palms and soles, white patches in the…
- Lactate dehydrogenase (LDH) An enzyme that catalyzes the conversion of lactate to pyruvate. This is an important step in energy…
- Rod Beals See: Beals, Rodney K.
- Premacular fibrosis See: Macular pucker
- Neuraminidase inhibitor A drug that inhibits the enzyme called neuraminidase. For example, oseltamivir (Tamiflu), an antiinfluenza…
- Programmed cell death A term often used interchangeably with apoptosis. See: Apoptosis
- Noonan syndrome (NS) Noonan syndrome (NS): A multifaceted genetic disorder characterized by a series of birth defects (congenital…
- Hard palate The bony part of the roof of the mouth. The hard palate is the front of the palate and is in front of the…
- Myotonic dystrophy An inherited disease in which the muscles contract but have decreasing power to relax -- this phenomenon is…
- Body cell mass The total mass of all the cellular elements in the body which constitute all the metabolically active tissue…
- Cystic acne Acne: This is a type of localized infection (abscess) formed when oil ducts become clogged and infected…
- Bedsore See: Bed sore