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The vitreous membrane (or hyaloid membrane or vitreous cortex) is a layer of collagen separating the vitreous humour from the rest of the eye. At least two parts have been identified anatomically. The posterior hyaloid membrane separates the rear of the vitreous from the retina 〔 M P Snead, D R J Snead, A J Richards, J B Harrison, A V Poulson, A H C Morris, R M Sheard, J D Scott; (Clinical, histological and ultrastructural studies of the posterior hyaloid membrane ); "Eye", July 2002, Volume 16, Number 4, Pages 447-453. 〕 The anterior hyaloid membrane separates the front of the vitreous from the lens. 〔 Andres Bernal, Jean-Marie Parel, Fabrice Manns; (Evidence for posterior zonular fiber attachment on the anterior hyaloid membrane ); "Investigative Ophthalmology and Visual Science" 2006, 47, 4708-4713. 〕 Bernal et al. describe it "as a delicate structure in the form of a thin layer that runs from the pars plana to the posterior lens, where it shares its attachment with the posterior zonule via Wieger’s ligament, also known as Egger’s line". ==References== 〔 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「vitreous membrane」の詳細全文を読む スポンサード リンク
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