無毛細管區 的英文怎麼說

中文拼音 [máoguǎn]
無毛細管區 英文
capillary free anomalous associated
  • : 無Ⅰ動詞(沒有) not have; there is not; be without Ⅱ名詞1 (沒有) nothing; nil 2 (姓氏) a surn...
  • : hairdownfeatherfur
  • : 形容詞1 (條狀物橫剖面小) thin; slender 2 (顆粒小) in small particles; fine 3 (音量小) thin ...
  • : Ⅰ名詞1 (管子) pipe; tube 2 (吹奏的樂器) wind musical instrument 3 (形狀似管的電器件) valve;...
  • : 區名詞(姓氏) a surname
  • 毛細 : capillary
  • 管區 : district
  1. We have observed the following characteristics of anatomical structure and development : ( 1 ) the primary roots belong to archetype and the lateral roots occur in the position toward the xylem of the vascular cylinder ; ( 2 ) the root endodermis consists of thicken casparian strips, and there are from two lo four layers parenchyma cells near the pericycle ; ( 3 ) the pith and resins canals are absent in the toots ; ( 4 ) secondary structure occurs in the root hair zone, and vascular cambium is formed from the parenchyma cells between the primary xylem and primary phloem ; ( 5 ) tanning materials are abundant in pericycle cells and phelloderm cells ; ( 6 ) sclereids are found in secondary phloem, and rays are rather rich in secondary xylem

    結果表明:氣生不定根具有以下結構特徵和發育特點: ( 1 )根為二原型,側根正對著木質部發生; ( 2 )幼根內皮層胞具凱氏帶加厚,維柱內緊挨中柱鞘內側具有2 ~ 4層大型薄壁胞; ( 2 )根中髓和樹脂道; ( 4 )次生結構發生於根,維形成層由初生木質部和初生韌皮部之間的薄壁胞轉化形成; ( 5 )中柱鞘和栓內層胞富含單寧類物質; ( 6 )次生韌皮部有石胞,次生木質部射線發達。
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