单词	hypocotyl
释义	hypocotyl /ˌhʌɪpə(ʊ)ˈkɒtɪl / noun Botany The part of the stem of an embryo plant beneath the stalks of the seed leaves or cotyledons and directly above the root.A wide variety of organs from various plant species were analysed: roots, stems, hypocotyls, leaves, fruits, and petioles.... In wild-type Arabidopsis plants, the roots, hypocotyls, and inflorescence stems exhibit gravitropic bending. Callus was formed on cotyledons, hypocotyls, and radicles of embryos.
随便看	Yanktonai Yanomami Yanomamö Yanqui Yantai yantra Yao Yaoundé yap yapok yapp yapper yappy yapunyah Yaqui yarak yarborough yard yardage yardang arch-enemy archenteron archeological archeologist archeology

英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。