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).
Xerophthalmia
Dry eyes. Xerophthalmia can be associated with systemic diseases such as Sjogren' s syndrome, systemic lupus erythematosus, rheumatoid arthritis, scleroderma, sarcoidosis, amyloidosis, and hypothyroidism; deficiency of vitamin A; and the…
Read the definitionRandom terms
Show more- Virus, Nipah A virus that infects pigs and people in whom it causes a sometimes fatal form of viral encephalitis (brain…
- Snip A single base change, a change in which a single base in the DNA differs from the usual base at that…
- Sunscreen A substance that blocks the effect of the sun's harmful rays. Using lotions that contain sunscreens can…
- Electrocochleography A test that measures the electrical potentials generated in the inner ear in response to stimulation by…
- Xeroderma pigmentosum A genetic disease characterized by such extraordinary sensitivity to sunlight that it results in the…
- EPO test A test of the hormone EPO (erythropoietin) in blood. The EPO level can indicate bone marrow disorders, kidney…
- Autoimmune hemolytic anemia A condition in which the immune system attacks the red blood cells, resulting in fewer of these…
- Paresthesia An abnormal sensation of the skin, such as numbness, tingling, pricking, burning, or creeping on the skin…
- Photorefractive keratectomy (PRK) A kind of laser eye surgery designed to change the shape of the cornea to eliminate (or reduce) the need for…
- Natural family planning Also known as fertility awareness, periodic abstinence and the rhythm method, this approach entails not…
- Vascular headache A group of headaches felt to involve abnormal sensitivity of the blood vessels (arteries) in the brain to…
- Hounsfield, Godfrey (1919-2004) British electrical engineer whose contributions to the creation of the computerized axial…