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).
Psoriasis, erythrodermic
A particularly inflammatory form of psoriasis that often affects most of the body surface. It is the least common form of psoriasis and most commonly appears on people who have unstable plaque psoriasis, where lesions are not clearly…
Read the definitionRandom terms
Show more- Locoregional Limited to a local region. See also: Locoregional anesthesia; Locoregional metastasis
- Shock, anaphylactic A life-threatening allergic reaction characterized by a swelling of body tissues including the throat…
- Shigella Epidemic and opportunistic bacillary dysentery due to infection with the Shigella bacteria. Shigellosis…
- Disease, Tsutsugamushi Scrub typhus, a mite-borne infectious disease caused by a microorganism, Rickettsia tsutsugamushi…
- Seventh cranial nerve paralysis Known as Bell's palsy, this is paralysis of the facial nerve, the nerve that supplies the facial muscles on…
- Nephroblastomatosis The presence of multiple embryonic rests of tissue within the kidney. These nephrogenic rests usually are…
- Mosaic An individual or tissue containing two or more types of genetically different cells. All females are mosaics…
- Ultrasound/Ultrasonography A test in which high-frequency sound waves (ultrasound) are bounced off tissues and the echoes are converted…
- Musical hallucinosis See: Musical hallucination
- Norovirus A group of viruses that are a common cause of food poisoning and acute gastroenteritis ('stomach flu') that…
- Aerophobia An abnormal and persistent fear of flying. Sufferers experience severe anxiety even though they usually…
- Heterozygote A person possessing two different forms of a particular gene, one inherited from each parent. A heterozygote…