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).
Disease, hemolytic, of the newborn
Abnormal breakup of red blood cells in the fetus or newborn.
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Show more- Vaccination, Td Td is the vaccine given to children over six and adults as boosters for immunity to diphtheria and tetanus.
- Eye, no Also called anophthalmia, a congenital malformation (birth defect) of the globe. Anophthalmia refers…
- Mega- (prefix) The combining form 'mega-' comes from the Greek 'megas', great or big and means abnormally large…
- Flores man See: Homo floresiensis
- Sagittal A crucial large vein that goes over the top of the skull from front to back and then splits to take blood…
- Category 2 storm See: Category two hurricane
- Arrector pili A microscopic band of muscle tissue which connects a hair follicle to the dermis. When stimulated, the…
- Severe congenital neutropenia Neutropenia: A genetic disorder of the bone marrow characterized by a lack of neutrophils, white blood cells…
- Heart muscle A type of muscle with unique features only found in the heart. The heart muscle, or cardiac muscle, is…
- Subdural hematoma Bleeding into the space between the dura (the brain cover) and the brain itself. This space is called the…
- Retinoic acid syndrome A syndrome that occurs from treatment with retinoic acid and is characterized by fever, dyspnea (difficulty…
- Vagus nerve A remarkable nerve that supplies nerve fibers to the pharynx (throat), larynx (voice box), trachea…