shoot apex是什麼意思,shoot apex的意思翻譯、用法、同義詞、例句
常用詞典
枝條尖;苗端
例句
It has leaf primordia and a shoot apex.
葉特化成為具有鋒利尖端的結構。
The promeristem in the shoot apex consists of tunica, corpus and leaf primordium.
苗端的原分生組織由原套、原體和葉原基組成。
Wardlaw reproduced to the same scale photographs of the vegetative shoot apex of many primitive and advanced land plants.
沃德勞以同樣的放大倍數複制了許多原始的和進化的陸生植物營養莖尖的照片。
However, the effects on nicotine production caused by leaf wounding were smaller than that caused by removing the shoot apex.
但葉面損傷對煙株體内煙堿合成的影響小于打頂處理。
Some resin containing cells are present in parenchym of cortex in shoot apex and xylem parenchym of stem in Pinus tabulaeformis .
油松莖端的皮層薄壁組織和幼莖木薄壁組織中具含樹脂細胞分布。
網絡擴展資料
“shoot apex”是植物學中的術語,指植物的莖尖或苗端,即莖或幼苗頂端的生長區域,包含活躍的細胞分裂組織(頂端分生組織),負責植物的縱向生長和新器官(如葉片、側芽)的形成。
詳細解釋:
-
詞義拆分:
- Shoot:指植物的嫩枝或幼苗,強調生長中的莖部結構。
- Apex:意為頂點或頂端,在植物中特指莖或根的尖端部分。
-
功能與結構:
- Shoot apex包含頂端分生組織(apical meristem),這裡的細胞不斷分裂分化,形成莖、葉、花等新結構。
- 例如:“It has leaf primordia and a shoot apex.”(例句),說明莖尖區域會發育出葉原基。
-
相關術語辨析:
- Apical meristem:專指頂端分生組織的細胞群,屬于shoot apex的組成部分。
- Shoot tip:與shoot apex含義相近,但更強調莖尖的物理末端。
應用場景:
在植物組織培養中,常取shoot apex作為外植體進行無性繁殖,因其分裂能力強且易再生(參考多網頁綜合)。
如需進一步了解植物解剖學,可查看、4、9的完整詞條。
網絡擴展資料二
shoot
詞性
動詞
用法
- 發射,射擊
- The sol***rs were ordered to shoot at the enemy. (士兵們被命令向敵人開槍。)
- The hunters shot the deer. (獵人們射殺了鹿。)
- 拍攝,攝影
- The director is shooting a new movie in Paris. (導演正在巴黎拍攝一部新電影。)
- She shot some amazing photos of the sunset. (她拍攝了一些驚人的日落照片。)
- 噴出,射出
- The water shot out of the fountain. (水從噴泉中噴出。)
- The volcano shot ash and smoke into the sky. (火山向天空噴出灰燼和煙霧。)
近義詞
fire, discharge, launch, project, throw
反義詞
miss, dodge, avoid
apex
詞性
名詞
用法
- 頂點,尖端,高峰
- The mountain's apex was covered in snow. (這座山的頂峰被雪覆蓋。)
- The apex of his career was when he won the Nobel Prize. (他職業生涯的巅峰是獲得諾貝爾獎。)
- 最高點,最高水平
- This game is the apex of virtual reality technology. (這個遊戲是虛拟現實技術的巅峰。)
- The company's success reached its apex in the 199s. (公司的成功在20世紀90年代達到了頂峰。)
近義詞
peak, summit, acme, zenith, pinnacle
反義詞
nadir, bottom, base
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