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).
Embolism, pulmonary
The obstruction of the pulmonary artery or a branch of it leading to the lungs by a blood clot, usually from the leg, or foreign material causing sudden closure of the vessel. (Embolus is from the Greek 'embolos' meaning plug.) The risk…
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Show more- Subacute sclerosing panencephalitis (SSPE) A chronic brain disease of children and adolescents that occurs months to often years after an attack of…
- Gyne- Combining form pertaining to women. From the Greek gyno, gynaikos meaning woman
- Lymphangitis The red streaking and gland (lymph node) swelling in the area of an injury especially on the extremities. It…
- Myo- (prefix) A prefix denoting a relationship to muscle. Myo- enters into many words and terms in medicine including…
- Ligature In surgery, a filament or thread used to tie something, such a blood vessel to prevent it from bleeding or…
- Keratosis follicularis A genetic skin disease characterized by slowly progressive hardening of the skin (keratoses) around the hair…
- Anaphylactic shock A widespread and very serious allergic reaction. Symptoms include dizziness, loss of consciousness, labored…
- Heterotaxy The abnormal placement of organs due to failure to establish the normal left-right patterning during…
- Propositus A male through whom a family medically comes to light (is first ascertained). Also called the proband or…
- Extubate To remove a tube from a hollow organ or passageway, often from the airway. The opposite of extubate is…
- Ascaris The intestinal roundworm, a worm that lives in the small intestine. Infection with ascaris is the most common…
- Hurler syndrome An inherited error of metabolism in which there is deficiency of the enzyme alpha-L-iduronidase which…