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Sheath pronounced as /ʃiːθ/ and /ʃeθ/ in Old English may refer to: * Scabbard, a sheath for holding a sword, knife, or other large blade, as well as guns, such as rifles. * The outer covering of a cable * Condom, a kind of contraception * Debye sheath, a layer of a plasma in physics * Heliosheath, the region of the heliosphere beyond the termination shock * Koteka, a penis sheath worn by some natives of New Guinea * ''Sheath'' (album), a 2003 techno album by LFO * Sheath dress, a type of dress * Kosha, an element in human being makeup according to Hinduist philosophy ;Botany * Leaf sheath, the leaf base when it forms a vertical coating surrounding the stem ;Anatomy * Carotid sheath, connective tissue around the neck's vascular compartment * Myelin sheath, an insulating layer over the axon of a neuron * Preputial sheath, protective skin around the penis or clitoris * * Clitoral hood * * Penile sheath, the foreskin into which a penis retracts * Rectus sheath, the lamanas around abdominal muscles * Root sheath, the inner or epidermic coat around the root of a hair follicle * Tendon sheath, a synovial membrane surrounding a tendon in, for example, the fingers * Vagina, the internal structure of the female genitalia 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Sheath」の詳細全文を読む スポンサード リンク
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