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).
Lymphoma, non-Hodgkin
Malignant tumors that arise in the lymphatic system. There are several subtypes of cancer classified as non-Hodgkin lymphoma. All originate in and spread via the lymphatic system. Symptoms depend on the location of the tumor, but can…
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Show more- Parasitosis Infestation or infection with parasites. See also: Delusional parasitosis
- Choanal atresia Blockage of the choana, the passageway from the back of one side of the nose to the throat. The choana is…
- Hemoptysis Spitting up blood or blood-tinged sputum. Pronounced he-MOP-tis-is. The word 'hemoptysis' comes from the…
- Clinical cytogenetics The application of chromosome studies to clinical medicine. For example, clinical cytogenetic testing is done…
- Spitz-Holter valve A pioneering one-way valve created by John Holter to treat hydrocephalus. In 1955 Mr. Holter, , a hydraulics…
- Disease, Chagas See: Chagas disease.
- Morton nerve entrapment See: Morton's neuroma
- Fistulize To form or make a fistula, an abnormal passageway. As, for example, fistulizing Crohn's disease
- Lichtenberg figures A fern-leaf pattern of reddish, painless marks on the skin that are a result of a skin reaction to a…
- Co-stimulation An event in the immune system involving the delivery of a second signal by an antigen-presenting cell. The…
- Eye retraction syndrome See: Duane syndrome
- Enophthalmos Sunken eyeball.