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).
Nearsightedness
The ability to see near objects more clearly than distant objects. Also called myopia . Myopia can be caused by a longer-than-normal eyeball or by any condition that prevents light rays from focusing on the retina. Most forms of myopia can…
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Show more- Borborygmi Rumbling sounds caused by gas moving through the intestines (stomach 'growling'). Pronounced BOR-boh-RIG-mee…
- Ribosomal RNA A molecular component of a ribosome, the cell's essential protein factory. Ribosomal RNA (rRNA) fabricates…
- Peromyscus leucopus See: White-footed mouse
- Homo- An amino acid produced by the body, usually as a byproduct of consuming meat. Homocysteine is made from…
- Zoll See: Zoll, Paul M.
- Mitochondrial inheritance The inheritance of a trait encoded in the mitochondrial genome. Because of the oddities of mitochondria…
- Macular degeneration Macular degeneration: A disease that progressively destroys the macula, the central portion of the retina…
- Bornholm disease Bornholm disease is a temporary illness that is a result of virus infection. The disease features fever and…
- Ocean itch An intensely itchy rash due to contact with the tiny thimble jellyfish (Linuche unguiculata). These jellyfish…
- Antiprotozoal drug Something that destroys protozoa or inhibits their growth and ability to reproduce. A few of the protozoa of…
- Kwashiorkor The word kwashiorkor comes from the Ivory Coast. It means the deposed (no longer suckled) child. Kwashiorkor…
- Speculum, nasal An instrument used to widen the opening of a nostril so the inside can be more easily seen. 'Speculum' is the…