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).
Galactorrhea
The spontaneous flow of milk from the nipple at any time other than during nursing. Galactorrhea can be due to 'normal' factors such as an unrecognized pregnancy, trauma, surgery, overexercise or one of a number of drugs (including…
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Show more- Leukemia, acute lymphocytic Abbreviated AML. Also called acute myeloid leukemia or acute nonlymphocytic leukemia (ANLL). A quickly…
- Right heart The heart is composed functionally of two hearts - the right heart and the left heart. The right heart…
- Gregarious parasite A parasite whose nutritional requirements permit several to many of them to live simultaneously in or on the…
- Glucose Glucose: The simple sugar (monosaccharide) that serves as the chief source of energy in the body. Glucose is…
- Osteogenesis imperfecta Brittle bone disease. Osteogenesis imperfecta (OI) is not one but a group of genetic diseases, all of which…
- Metered dose inhaler See: Metered-dose inhaler
- External jugular vein The more superficial of the two jugular veins situated on each side of the neck. The other is the internal…
- Mitral valve prolapse Mitral valve prolapse: Drooping down or abnormal bulging of the mitral valve's cusps backward into the atrium…
- DR syndrome See: Okihiro syndrome
- Homologies Similarities in DNA or protein sequences between individuals or between species
- Macroorchidism Abnormally large testes. To determine if the testes are too large, a device called an orchidometer is used…
- State, hypercoagulable A hypercoagulable state is the medical term for a condition in which there is an abnormally increased…