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See also:CAPSULE (from the See also:Lat. capsula, a small See also:box) , a See also:term in See also:botany for a dry See also:seed See also:vessel, as in the See also:poppy, See also:iris, See also:foxglove, &c., containing one or more cells . When ripe the See also:capsule opens and scatters the seed (see BOTANY) . The word is used also for a small gelatinous See also:case enclosing a dose of See also:medicine, and for a See also:metal cap or See also:cover on bottles and jars . In See also:anatomy the term is used to denote a cover or envelope partly or wholly surrounding a structure . Every diarthrodial See also:joint possesses a fibrous or ligamentous capsule, lined with synovial membrane, attached to the adjacent ends of the articulating bones . The term is particularly applied to the See also:sac which encloses the crystalline See also:lens of the See also:eye; to Glisson's capsule, a thin areolar coat of fibrous See also:tissue lying inside the tunica serosa of the See also:liver; to the glomerular capsules in the See also:kidney substance; to the suprarenal capsules, two small flattened See also:organs in the epigastric region; and to the See also:internal and See also:external capsules of the See also:brain (see BRAIN, fig . 14 and explanation) . |
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