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).
Homocysteine
Homocysteine: An amino acid produced by the body, usually as a byproduct of consuming meat. Homocysteine is made from another amino acid, methionine, and then in turn is converted into other amino acids. Elevated levels of homocysteine in…
Read the definitionRandom terms
Show more- Medial meniscus of the knee The word 'meniscus' refers to a crescent-shaped structure. The medial meniscus of the knee is a thickened…
- Debilitate To impair the strength or to enfeeble. A chronic progressive disease may debilitate a patient. So may…
- Septuagenarian Someone in his or her seventies. See also: Age by decade
- American dog tick The tick most commonly responsible for transmitting R. rickettsii, the agent of Rocky Mountain spotted fever…
- Familial hypercholesterolemia The most common inherited type of hyperlipidemia (high lipid levels in blood). One in every 500 children is…
- Meningitis, infectious Meningitis caused by bacterial, viral, or protozoan infection. Most of the agents known to cause meningitis…
- Lice, pubic See: Pubic lice
- FMR1 The gene responsible for the production of a protein called FMRP. Lack of FMRP results in the fragile X…
- Excess, calcium See: Calcium excess
- Hyperplasia, benign prostatic A condition characterized by overgrowth of the lining of the uterus. Hyperplasia means overgrowth. The…
- Vaginal infection, bacterial See: Bacterial vaginosis
- Osteitis Osteitis is inflammation of the bone. For example, patients with what is called the SAPHO syndrome develop…