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).
Lung cancer, non-small cell
Lung cancer, non-small cell: Cancer of the lung which is not of the small cell carcinoma (oat cell carcinoma) type. The term 'non-small cell lung cancer' is generally applied to the various types of bronchogenic carcinomas (those arising…
Read the definitionRandom terms
Show more- Neurofibromatosis, bilateral acoustic See: Neurofibromatosis type 2
- Anatomical position The position with the body erect with the arms at the sides and the palms forward. The anatomical position is…
- Fear of women An abnormal, irrational and persistent fear of women. Sufferers experience undue anxiety even though they…
- Radiation therapy, conformal A procedure that uses computers to create a 3-dimensional picture of the tumor in order to target the tumor…
- Failure, autonomic See: Autonomic failure
- Artery, ophthalmic The ophthalmic artery supplies blood to the eye and adjacent structures of face. It arises from the internal…
- Homotrisomy Trisomy of the same chromosome. The occurrence of two children in the same family with trisomy 21 is an…
- Anticoagulant agent A medication used as a 'blood-thinner' to prevent the formation of blood clots and to maintain open blood…
- Disorder, borderline personality A serious mental illness characterized by pervasive instability in moods, interpersonal relationships…
- Night blindness Impaired vision in dim light and in the dark, due to impaired function of specific vision cells (namely, the…
- Ad lib Abbreviation for the Latin 'ad libitum' meaning 'at pleasure' and 'at one's pleasure, as much as one desires…
- Kit, emergency supplies A group of bacteria normally living in the intestinal tract and frequently the cause of nosocomial infections…