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MedlinePlus is a service of the National Library of Medicine (NLM), the world's largest medical library, which is part of the National Institutes of Health (NIH). It was built as an online health information resource for patients and their families and friends.

MedlinePlus presents high-quality, easy to understand, relevant health and wellness information that is trusted.

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Ankle Injuries and Disorders - National Library of Medicine

Welcome to NewMedicalTerms, your ultimate guide to the explanations and definitions of the majority of medical terms you may see.

Your ankle bone and the ends of your two lower leg bones make up the ankle joint. Your ligaments, which connect bones to one another, stabilize and support ...

Blood - National Library of Medicine

Welcome to NewMedicalTerms, your ultimate guide to the explanations and definitions of the majority of medical terms you may see.

... are four blood types: A, B, AB, or O. Also, blood is either Rh-positive or Rh- ...

Endocarditis - National Library of Medicine

Welcome to NewMedicalTerms, your ultimate guide to the explanations and definitions of the majority of medical terms you may see.

Endocarditis, also called infective endocarditis (IE), is an inflammation of the inner lining of the heart. The most common type, bacterial endocarditis, occurs when ...

Rh Incompatibility - National Library of Medicine

Welcome to NewMedicalTerms, your ultimate guide to the explanations and definitions of the majority of medical terms you may see.

There are four major blood types: A, B, O, and AB. The types are based on substances ...

Streptococcal Infections - National Library of Medicine

Welcome to NewMedicalTerms, your ultimate guide to the explanations and definitions of the majority of medical terms you may see.

Strep is short for Streptococcus, a type of bacteria. There are several types. Two of them cause most of the strep infections in people: group A and group ...

Choosing a Doctor or Health Care Service - National Library of Medicine

Welcome to NewMedicalTerms, your ultimate guide to the explanations and definitions of the majority of medical terms you may see.

We all want high-quality health care, but it's hard to know how to choose. There are many things to consider, including: What your insurance covers Whether ...