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).
Diplopia, monocular
Double vision (diplopia) in only one eye. The double vision persists when the other eye is covered. Monocular diplopia can be caused by astigmatism (abnormal curvature of the front of the cornea), keratoconus (cone-shaped cornea)…
Read the definitionRandom terms
Show more- Non-rapid eye movement sleep Sleep: NREM (non-rapid eye movement) sleep is dreamless sleep. During NREM, the brain waves on the…
- Brain stem glioma A malignant tumor that arises in the brain stem, the part of the brain that connects to the spinal cord. The…
- Co-stimulation An event in the immune system involving the delivery of a second signal by an antigen-presenting cell. The…
- Adrenaline A substance produced by the medulla (inside) of the adrenal gland, adrenaline (the official name in the…
- Bietti crystalline dystrophy A genetic eye disease that leads to progressive night blindness and visual field constriction and is…
- Temperature The temperature is the specific degree of hotness or coldness of the body. It is usually measured with a…
- Open charting The practice of making medical charts available to the patient
- ALS4 See: Amyotrophic lateral sclerosis 4
- Shin spot A light brown or reddish oval or round scaly patch on the skin of the shin. Shin spots can be due to…
- Gonarthritis Inflammation of the knee joint
- Thomas Sydenham See: Sydenham, Thomas
- Non-small cell lung cancer Lung cancer: Cancer of the lung which is not of the small cell carcinoma (oat cell carcinoma) type. The term…