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).
Oncogene
1. A gene that played a normal role in the cell as a proto-oncogene and that has been altered by mutation and now may contribute to the growth of a tumor. Some of the more important oncogenes include: > >ras (a signal transduction…
Read the definitionRandom terms
Show more- Laminaria A small rod-shaped piece of dried seaweed; when placed within the cervix, a laminaria causes it to gradually…
- African-American See: African American
- Pregnancy symptoms Pregnancy symptoms: A symptom or sign of pregnancy. These symptoms and signs depend upon the time in…
- Headache, Hogwarts See: Hogwarts headache
- Palpebral gland See: Meibomian gland
- Levonorgestrel A progestin. Named levonorgestrel because it is the levorotatory form of norgestrel. Used in combination with…
- Eyelid granulation See Blepharitis
- Disorder, anxiety A chronic condition characterized by an excessive and persistent sense of apprehension with physical symptoms…
- Growth hormone A hormone made in the pituitary gland that stimulates the release of another hormone called somatomedin by…
- Pauling, Linus The alpha helix, the structure of most proteins, discovered by Linus Pauling and Robert Corey. See: Alpha…
- Cal See: Calorie
- DSCR See: Down syndrome critical region