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人胎小肠内胰多肽免疫反应细胞的分布及形态学观察 被引量:3

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摘要 目的探讨胰多肽免疫反应细胞(PP-IR细胞)在人胎小肠中的个体发生及分布。方法用免疫组织化学PAP法观察24例11~27周人胎小肠内PP-IR细胞的形态及定位。结果胎期小肠的PP-IR细胞主要见于十二指肠,偶见于空肠上皮,回肠中未见。11~13周时PP—IR细胞数量很少,单个分散在十二指肠绒毛上皮间。14周后,PP-IR细胞呈增多趋势,除分散在小肠腺和绒毛上皮外,在十二指肠腺上皮中也可见该细胞。17~27周时,PP-IR细胞数量未见明显增减。胎期小肠的PP-IR细胞形态多样。结论胰多肽在人胎小肠的内分泌细胞中已有表达。PP-IR细胞随着胎儿的发育而发生变化。
作者 王琳 梁文妹
出处 《徐州医学院学报》 CAS 2003年第3期202-204,共3页 Acta Academiae Medicinae Xuzhou
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