\u4e0a\u76ae\u7d44\u7e54\u70ba\u8eab\u9ad4\u63d0\u4f9b\u4e86\u7b2c\u4e00\u9053\u4fdd\u8b77\u7dda\uff0c\u9632\u6b62\u7269\u7406\u3001\u5316\u5b78\u548c\u751f\u7269\u7684\u78e8\u640d\u3002 \u4e0a\u76ae\u7d30\u80de\u5145\u7576\u8eab\u9ad4\u7684\u5b88\u9580\u4eba\uff0c\u63a7\u5236\u6ef2\u900f\u6027\uff0c\u4e26\u4e14\u5141\u8a31\u6750\u6599\u9078\u64c7\u6027\u5730\u7a7f\u904e\u7269\u7406\u5c4f\u969c\u3002 \u6240\u6709\u9032\u5165\u9ad4\u5167\u7684\u7269\u8cea\u90fd\u5fc5\u9808\u7a7f\u904e\u4e0a\u76ae\u3002<\/span> \u4e00\u4e9b\u4e0a\u76ae\u3014epithelia\u3015<\/small>\u901a\u5e38\u5305\u542b\u7d50\u69cb\u7279\u5fb5\uff0c\u5141\u8a31\u5206\u5b50\u548c\u96e2\u5b50\u9078\u64c7\u6027\u5730\u7a7f\u8d8a\u5b83\u5011\u7684\u7d30\u80de\u819c\u3002<\/p>\n\n\n\n\u8a31\u591a\u4e0a\u76ae\u7d30\u80de\u80fd\u5920\u5206\u6ccc\u548c\u91cb\u653e\u301d\u9ecf\u6db2\u548c\u7279\u5b9a\u7684\u5316\u5408\u7269\u301e\u5230\u5176\u9802\u7aef\u8868\u9762\u3002 \u4f8b\u5982\uff0c\u5c0f\u8178\u4e0a\u76ae\u6703\u91cb\u653e\u6d88\u5316\u9176\u3002 \u301d\u896f\u65bc\u547c\u5438\u9053\u7684\u7d30\u80de\u301e\u5206\u6ccc\u9ecf\u6db2\uff0c\u6355\u6349\u9032\u5165\u7684\u5fae\u751f\u7269\u548c\u9846\u7c92\u3002 \u817a\u4e0a\u76ae\u3014glandular epithelium\u3015<\/small>\u542b\u6709\u8a31\u591a\u5206\u6ccc\u7d30\u80de\u3002<\/p>\n\n\n\n\u4e0a\u76ae\u7d30\u80de<\/h2>\n\n\n\n
\u4e0a\u76ae\u7d30\u80de<\/strong>\u3014epithelial cells\u3015<\/small>\u7684\u5178\u578b\u7279\u5fb5\u662f\u301d\u7d30\u80de\u5668\u548c\u819c\u7d50\u5408\u86cb\u767d\u3014membrane-bound proteins\u3015<\/small>\uff0c\u5728\u5176\u57fa\u5e95\u8868\u9762\u548c\u9802\u7aef\u8868\u9762\u4e4b\u9593\u301e\u7684\u6975\u5316\u5206\u4f48\u3014polarized distribution\u3015<\/small>\u3002 \u5728\u4e00\u4e9b\u4e0a\u76ae\u7d30\u80de\u4e2d\u767c\u73fe\u7684\u7279\u6b8a\u7d50\u69cb\u662f\u5c0d\u7279\u5b9a\u529f\u80fd\u7684\u9069\u61c9\u3002 <\/span>\u67d0\u4e9b\u7d30\u80de\u5668\u88ab\u5206\u96e2\u5230\u57fa\u5e95\u5074\uff0c\u800c\u5176\u4ed6\u7d30\u80de\u5668\u548c\u5ef6\u4f38\u7269\uff0c\u4f8b\u5982\u7e96\u6bdb\u3014cilia\u3015<\/small>\uff0c\u7576\u5b58\u5728\u6642\uff0c\u4f4d\u65bc\u9802\u7aef\u8868\u9762\u3002<\/p>\n\n\n\n\u7e96\u6bdb\u662f\u301d\u7531\u5fae\u7ba1\u3014microtubules\u3015<\/small>\u652f\u6490\u7684\u9802\u7aef\u7d30\u80de\u819c\u301e\u7684\u5fae\u89c0\u5ef6\u4f38\u3002 \u5b83\u5011\u4e00\u81f4\u5730\u8df3\u52d5\uff0c\u4e26\u4e14\u79fb\u52d5\u6db2\u9ad4\u548c\u6355\u7372\u7684\u9846\u7c92\u3002 \u7e96\u6bdb\u4e0a\u76ae\u3014Ciliated epithelium\u3015<\/small>\u6392\u5217\u5728\u8166\u5ba4\u4e2d\uff0c\u5e6b\u52a9\u8166\u810a\u9ad3\u6db2\u5faa\u74b0\u3002 \u4f60\u7684\u6c23\u9053\u7684\u7e96\u6bdb\u4e0a\u76ae\u5f62\u6210\u9ecf\u6db2\u7e96\u6bdb\u81ea\u52d5\u68af\u3014mucociliary escalator\u3015<\/small>\uff0c\u5c07\u5206\u6ccc\u9ecf\u6db2\u4e2d\u7684\u7070\u5875\u9846\u7c92\u548c\u75c5\u539f\u9ad4\u6383\u5411\u5589\u56a8\u3002 \u5b83\u88ab\u7a31\u70ba\u81ea\u52d5\u68af\u3014escalator\u3015<\/small>\uff0c\u56e0\u70ba\u5b83\u4e0d\u65b7\u5730\u5c07\u5e36\u6709\u6355\u7372\u9846\u7c92\u7684\u9ecf\u6db2\u5411\u4e0a\u63a8\u3002 \u76f8\u53cd\uff0c\u9f3b\u7e96\u6bdb\u3014nasal cilia\u3015<\/small>\u5c07\u9ecf\u6db2\u6bef\u3014mucous blanket\u3015<\/small>\u6383\u5411\u5589\u56a8\u3002 \u5728\u9019\u5169\u7a2e\u60c5\u6cc1\u4e0b\uff0c\u904b\u8f38\u7684\u7269\u8cea\u901a\u5e38\u6703\u88ab\u541e\u56a5\uff0c\u4e26\u6700\u7d42\u9032\u5165\u80c3\u7684\u9178\u6027\u74b0\u5883\u3002<\/p>\n\n\n\n\u7d30\u80de\u8207\u7d30\u80de\u7684\u9023\u63a5<\/h2>\n\n\n\n
\u4e0a\u76ae\u7d30\u80de\u7dca\u5bc6\u76f8\u9023\uff0c\u4e26\u4e14\u4e0d\u88ab\u7d30\u80de\u5167\u7269\u8cea\u3014intracellular material\u3015<\/small>\u5206\u9694\u3002<\/span> \u4e09\u7a2e\u57fa\u672c\u985e\u578b\u7684\u9023\u63a5\u5141\u8a31\u7d30\u80de\u4e4b\u9593\u767c\u751f\u4e0d\u540c\u7a0b\u5ea6\u7684\u76f8\u4e92\u4f5c\u7528\uff1a\u7dca\u5bc6\u9023\u63a5<\/strong>\u3014tight junctions\u3015<\/small>\u3001\u9328\u5b9a\u9023\u63a5<\/strong>\u3014anchoring junctions\u3015<\/small>\u548c\u9593\u9699\u9023\u63a5<\/strong>\u3014gap junctions\u3015<\/small>\uff08\u5716 4.5\uff09\u3002<\/p>\n\n\n\n<\/div>\n\n\n\n