Capsule (anatomy)
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A capsule, in anatomy, is a cover or envelope partly or wholly surrounding a structure. Types of capsules include:
- the shell of an egg (biology)
- joint capsules - every diarthrodial joint possesses a fibrous or ligamentous capsule, lined with synovial membrane, attached to the adjacent ends of the articulating bones
- the sac which encloses the crystalline lens of the eye
- Glisson's capsule, a thin areolar coat of fibrous tissue lying inside the tunica serosa of the liver
- Bowman's capsules (or glomerular capsules) in the kidney substance
- the renal capsule (also known as Gerota's fascia), a tough fibrous layer surrounding the kidney and covered in a thick layer of perinephric adipose tissue
- the suprarenal capsules, two small flattened organs in the epigastric region
- the internal, external and extreme capsules of the brain
- the outer surface of a benign tumor
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Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
