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发表于 2011-10-19 08:56:49
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第 87 楼 人体头上长有数以万计的头发(亚洲人大约8-10万根,每平方厘米大约150根),自皮肤下的毛囊生长出来。头发的生长周期可分为三个阶段,在任何时间,我们的头上均有处于不同生长阶段的头发。=600){this.height=parseInt(this.height*600/this.width);this.width=600;this.style.cursor='pointer';}"> 平均来说,正常人有90%头发处于生长期,9%处于脱落期,1% 处于静止期。 参考数据: 1. Dow Stough, Kurt Stenn, et al., Mayo Clin Proc, Oct 2005:80(10): 1316-1322 2. Whiting DA and Howsden FL. Color Atlas of Differential Diagnosis of Hair Loss. Canfield Publishing (1998). 3. Olsen EA et al. J Am Acad Dermatol. 2002;47:377-385. (Seccondary source for Ref. 1) 4. Kaufman KD; Eur J Dermatol. 2002; 12(1)38-49 5. Norwood OT. Hair Transplant Surgery. 1973. Courtesy of Charles C.Thomas, Publisher; Springfield, Il 6. Data On File (MSD, Hong Kong)[此贴已经被作者于 2011/10/21 12:05:58 编辑过] |
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