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).
Hormone, glucocorticoid
A hormone that predominantly affects the metabolism of carbohydrates and, to a lesser extent, fats and proteins (and has other effects). Glucocorticoids are made in the outside portion (the cortex) of the adrenal gland and chemically…
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Show more- Fragile X syndrome Fragile X syndrome: One of the most common causes of inherited mental retardation and neuropsychiatric…
- G (gram) Symbol for gram, a unit of measurement of weight and mass in the metric system. In weight, a gram is equal to…
- Brushfield's spots Speckled iris. Little white spots that slightly elevated on the surface of the iris arranged in a ring…
- Erection, penile When the penis fills with blood and is rigid. The penis contains two chambers, called the corpora cavernosa…
- Buccal mucosa The inner lining of the cheeks and lips.
- Birth cohort A group of people born during a particular period or year
- Suture See: SV40.
- Hirschsprung disease Hirschsprung disease: A congenital abnormality (birth defect) of the bowel in which there is absence of the…
- Genetic testing Tests done for clinical genetic purposes. Genetic tests may be done for diverse purposes pertaining to…
- Ephelis A form of freckle. A flat red or light-brown spot on the skin that typically appears during the sunny months…
- Carotene, beta An antioxidant, a substance that protects cells against oxidation damage which, it is thought, can lead to…
- Adenoid cystic carcinoma A type of cancer that most often develops in the salivary glands of the head and neck. It may arise in other…