不同年龄牦牛皮肤厚度变化研究
发布时间：2019-06-15 10:00
【摘要】：【目的】探讨牦牛皮肤随年龄增长的厚度变化规律.【方法】采集初生、半岁及成年牦牛皮肤样品,利用千分尺测量各部位皮肤厚度,采用常规石蜡切片技术,H.E染色和Masson’s三色染色方法,分别测量各部位皮肤表皮层、角质层、表皮非角质层及真皮层厚度,对所得数据进行统计学分析.【结果】牦牛躯体不同部位皮肤厚度存在差异,最厚的部位是颊部、颈腹侧及背部,最薄的部位是腹股沟及腋下.从背部到腹部、外侧面到内侧面皮肤厚度呈递减趋势.【结论】牦牛皮肤厚度随年龄增长呈增厚趋势,其中真皮层增厚趋势最明显,表皮层增厚趋势相对不明显.详细总结了牦牛皮肤厚度在不同躯体部位及不同年龄的变化规律,为更深入地研究牦牛皮肤的生长发育提供依据.
[Abstract]:[objective] to investigate the variation of yak skin thickness with age. [methods] skin samples of newborn, half-year-old and adult yaks were collected and measured by micrometer. The thickness of skin epidermis, cuticular layer, epidermis non-cuticular layer and dermis were measured by conventional paraffin section technique, E. staining and Masson' s trichromatic staining. The data were statistically analyzed. [results] there were differences in skin thickness in different parts of yak body. The thickest parts were buccal, ventral neck and back, and the thinnest parts were groin and armpit. From the back to the abdomen, from the outer side to the medial side, the skin thickness of yak showed a decreasing trend. [conclusion] the thickness of yak skin tends to thicken with the increase of age, among which the thickening trend of dermis is the most obvious, but the thickening trend of epidermis is relatively not obvious. The changes of yak skin thickness in different body parts and different ages were summarized in detail, which provided the basis for further study of yak skin growth and development.
【作者单位】： 甘肃农业大学动物医学院;
【基金】：国家自然科学基金项目(31360594)
【分类号】：S823.85
，
本文编号：2500137
[Abstract]:[objective] to investigate the variation of yak skin thickness with age. [methods] skin samples of newborn, half-year-old and adult yaks were collected and measured by micrometer. The thickness of skin epidermis, cuticular layer, epidermis non-cuticular layer and dermis were measured by conventional paraffin section technique, E. staining and Masson' s trichromatic staining. The data were statistically analyzed. [results] there were differences in skin thickness in different parts of yak body. The thickest parts were buccal, ventral neck and back, and the thinnest parts were groin and armpit. From the back to the abdomen, from the outer side to the medial side, the skin thickness of yak showed a decreasing trend. [conclusion] the thickness of yak skin tends to thicken with the increase of age, among which the thickening trend of dermis is the most obvious, but the thickening trend of epidermis is relatively not obvious. The changes of yak skin thickness in different body parts and different ages were summarized in detail, which provided the basis for further study of yak skin growth and development.
【作者单位】： 甘肃农业大学动物医学院;
【基金】：国家自然科学基金项目(31360594)
【分类号】：S823.85
，
本文编号：2500137
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