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湘雅醫(yī)學院組胚課件——皮膚-在線瀏覽

2025-02-21 12:06本頁面
  

【正文】 ce。SKIN Xiao Ling the department of Histology and Embryology When You Are Old When you are old and gray and full of sleep And nodding by the fire, take down this book, And slowly read, and dream of the soft look Your eyes had once, and of their shadows deep。 How many loved your moments of glad grace, And loved your beauty with love false or true。 And bending down beside the glowing bars, Murmur, a little sadly, how love fled And paced upon the mountains overhead, And hid his face amid a crowd of stars. 當你老了 葉芝 當你老了,兩鬢斑白,睡意沉沉, 倦坐在爐邊時,取下這本書來, 慢慢讀起,追憶那當年的眼神, 神色柔和,倒影深深。 你彎下腰,在熾熱的爐邊, 在淺淺憂傷中沉吟:愛情如何逝去, 向山巒之巔峰獨行, 將他的面容隱沒在繁星中間。 INTRODUCTION 表皮 真皮 保護作用、防止體內組織液丟失、感受外界的刺激、調節(jié)體溫。 ?EM:豐富的游離核糖體, 散在或 成束的 角蛋白絲束 ,基底細胞與相鄰細胞以橋粒相連,與基膜以半橋粒相連。 (一)表皮的分層與角化 (一)表皮的分層與角化(一)表皮的分層與角化棘 層( S) 2 棘
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