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).
HCG
Human chorionic gonadotropin, a human hormone made by chorionic cells in the fetal part of the placenta. Human chorionic gonadotropin (hCG) is directed at the gonads and stimulates them. Hence, the name 'gonadotropin.' The presence of hCG…
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Show more- Murray Valley encephalitis A viral encephalitis first recognized in the Murray Valley, in Victoria, Australia, caused by a flavivirus…
- Hemangioma, cavernous A type of hemangioma composed of blood-filled 'lakes' and channels. It is typically raised and red or…
- Deer mouse A deceptively cute rodent capable of carrying the types of hantavirus that cause HPS (hantavirus pulmonary…
- Ectrodactyly >transverse terminal aphalangia (absence of the last bone in the finger or toe), >adactylia (total absence of…
- Cirrhosis Cirrhosis: An abnormal liver condition characterized by irreversible scarring of the liver. Alcohol and viral…
- Social phobia Excessive fear of embarrassment in social situations that is extremely intrusive and can have debilitating…
- Diaphragmatic pacing See: Diaphragm pacing
- Magnetic resonance imaging Magnetic resonance imaging: A special radiology technique designed to image internal structures of the body…
- Nerve, recurrent laryngeal One of the best known branches of the vagus nerve, a very long nerve that originates in the brainstem. After…
- Neck dissection A surgical procedure in which the neck is opened -- to 'dissect' means to 'cut apart' -- in order to…
- Sexually transmitted diseases in women Women can contract all of the venereal diseases, but may have no symptoms, or have different symptoms than…
- Measles syndrome, atypical (AMS) Measles syndrome, atypical (AMS): An altered expression of measles, AMS begins suddenly with high fever…