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).
Anisometropia
The condition in which the two eyes have an unequal refractive power. One eye may be myopic (nearsighted) and the other hyperopic (farsighted). Anisometropia is a serious concern in newborns and young children because it can lead to…
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Show more- Dysphoria Anxiety
- Mutagen Something capable of causing a gene-change. Among the known mutagens are radiation, certain chemicals and…
- Referral The recommendation of a medical or paramedical professional. If you get a referral to ophthalmology, for…
- Breast fibroadenoma A common benign (not malignant) tumor of the breast. Usually called simply a fibroadenoma. For more…
- Right atrium The right upper chamber of the heart. The right atrium receives deoxygenated blood from the body through the…
- Antigen A substance that is capable of causing the production of an antibody. Antigens may or may not lead to an…
- Letrozole Letrozole: An oral antiestrogen. Letrozole inhibits the enzyme aromatase in the adrenal glands that produces…
- Bone morphogenetic protein A protein that induces the formation of bone and cartilage. Bone morphogenic protein 2 (which is symbolized…
- Anfinsen See: Anfinsen, Christian Boehmer, Jr.
- Muscle, ciliary One of the muscles that relax the zonules to enable the lens to change shape for focusing. The zonules are…
- Operon A set of genes transcribed under the control of an operator gene. More specifically, an operon is a segment…
- Colon cancer Colon cancer: A malignancy that arises from the inner lining of the colon. Most, if not all, of these cancers…