çҧС÷ӧҹͧк§ͧת

            çҧС÷ӧҹͧк§ͧתСͺк ͷ§ (vascular tissue system) к͡ѹʹӵ鹾ת ·˹ҷ§ ͹Թ Թ ·תͧù㹡ôԹԨҧ
            кͷ§Сͺ 2 ǹ˭ §ҵ (xylem) Ѻ§ (phloem)

ٻʴҤѴҧͧӵ鹾ת§§

ٻʴҤѴҧͧҡת§§

§ҵ
            §ҵ (xylem) ͷ˹ҷ§ҵصҧ Թ͹Թ ·§ҵػСͺ 4 Դ ѧ
            1. äմ (tracheid) ٻҧ繷çк͡ dz ˹ҷ繷§ҵصҧ ¨§ҵ价ҧҹҧͧӵ鹼ҹ (pit) äմռѧç֧˹ҷçҧӨعӵ鹾ת мѧԡԹ (lignin) (pit) ͷԴ͡Ѻҧ§ ԭ訹з觵 ǹͧⷾҫйʨ仴 ǹçҧͧ繪ͧҧ ǹͧäմ龺ҡ㹾ת鹵 (vascular plant) Թ ʹ 繵
            2. (vessel) բҴ͹ҧ˭ 鹡äմ ·ͧҧͧѡɳФ¤ͧ dzҹҧл¢ͧپع ǹͧŹ龺ҡ㹾ת٧;תմ͡ ˹ҷ繷§ҵصҧ ҡҡѧӵ
            äմԡԹз輹ѧ繨ش դ˹ҵҧѹ Ǵᵡҧ ѹ͡Ẻ ҧ
                        - annular thickening դ˹ǧ ǧǹ
                        - spiral thickening դ˹Ǥºѹ¹
                        - reticulate thickening դ˹繨ش ҹѹºµҢ
                        - scalariform thickening դ˹繪鹤¢鹺ѹ
                        - pitted thickening ٷ輹ѧ§͹ѹ繪 ¢鹺ѹ
            3. ä (xylem parenchyma) ٻҧ çк͡˹ҵѴ˹ҵѴ ռѧҧ §ǡѹӵ鹾ת ҡ鹼ѧ˹Ң鹴 ͧҡԡԹ (lignin) (pit) Դ鹴 ùҺҧǹ§ǡѹբͧӵ鹾ת ͷ˹ҷ§ҵصҧ ѧdzҹҧͧӵ鹾ת äҷ˹ҷû ѹ Թ 駷˹ҷ§ҵصҧ ѧӵ㺢ͧת
            4. (xylem fiber) ٻҧ 鹡 ѡɳл ռѧ˹ҡ ռѧͧ ˹ҷçҧӨعçӵ鹾ת

ٻʴͷǹСͺ
ͧ§ҵ

§
            § (phloem) ͷ˹ҷ§ҧçӵ鹾ת ·§ûСͺ 4 Դ ѧ
            1. տǺ (sieve tube member) ٻҧ繷çк͡ ժԵ Сͺ ͧҧ (vacuole) Ҵ˭ҡ ԭԺǹͧʨ·ѧ Ե ѧͧտǺ (cellulose) 硹 տǺ˹ҷ繷ҧ觼ҹͧ÷ҡкǹ ѧʧͧת 觼ҹѧǹҧ ͧӵ鹾ת
            2. ¹ (companion cell) ɷյ鹡ԴҨҡǡѹѺտǺ 鹡Դ 1 觵ǵ 2 ˹բҴ˭ ա˹բҴ 좹Ҵ˭ԭԺ繫տǺ ǹ좹Ҵ硨ԭԺ繤¹ ¹좹Ҵ硷ٻҧ ѡɳ ǹ ժԵ ⷾҫͧСͺͧҡ 輹ѧ硹 ͡ѺտǺ ˹ҷͫտǺӧҹբ ҡ ͧҡͫտǺҡ鹹ʨµ价 ҹŧ
            3. ç (phloem parenchyma) ժԵ ռѧҧ 輹ѧ çҷ˹ҷ÷ҡкǹѧʧͧ ת §ѧǹҧ ͧת çѺ§
            4. (phloem fiber) ѡɳФ¡Ѻ ٻҧѡɳ ˹ҵѴ ˹ҷçѺ§ת

ٻʴͷǹСͺͧ§

÷ӧҹͧк§âͧת
к§ͧתѡ÷ӧҹ 2 С
            1. §ҵؼҹҧ§ҵ (xylem) §ҡҡ ͹ӹҵ㹡кǹѧʧ
            2. § (ӵš) ҹҧ§ (phloem) §ҡǹҧ ͧת 㹡ҧѧҹͧת
            §âͧתդǢͧѺкǹõҧ ա¡кǹ 觵ͧӧҹҹѹ§âͧת仵
            к§ͧת鹷ҡ dzҡ (root hair) բҡҡ֧ 400 鹵;鹷 1 ҧ ¢ҡдٴԸա÷¡ (osmosis) ԸաẺ աԸ ӷ㹾ת͹仵§ҵ (xylem) §ѧǹҧ ͧת ͹ҵصҧ ͹仵§ҵ§仨֧ 㺡йӹҵع㹡кǹѧʧ ͡кǹѧʧԹ Եѳ繹ӵ ӵŨж١§ҹҧ§ (phloem) 仵ǹҧ âͧת §ӵźҧǹ ҡ ӵ

ٻʴк§âͧת

 (diffusion) 繡͹ͧèҡdzդҡ
dzդ鹹¡ (osmosis) 繡ͧӨҡdzչҡ (ͨҧ) dzչӹ¡ () ÷ӧҹͧк§âͧתͧԸաªԴ շ§ҵ (xylem) з§ (phloem) 鹷ҧ㹡§ѧӵ Сҹͧת