| 释义 |
Definition of epicotyl in English: epicotylnoun ˌɛpɪˈkɒtɪlˌepəˈkädl Botany The region of an embryo or seedling stem above the cotyledon. Example sentencesExamples - These enzymes have also been detected in a wide range of plant organs and tissues undergoing developmental changes such as seeds, cotyledons, elongating epicotyls, and in freshly harvested asparagus spears.
- In addition, they have four or five scaly leaves with lateral buds on their epicotyl.
- The number of embryos developing an epicotyl was determined after 9 weeks in germination.
- However, in coleoptiles, hypocotyls and epicotyls, gravity can be perceived along the whole length of the responding region and there is no such need to postulate any longitudinal transfer of a message.
- At this stage, both the cotyledons and epicotyls (if visible) were green.
Definition of epicotyl in US English: epicotylnounˌepəˈkädl Botany The region of an embryo or seedling stem above the cotyledon. Example sentencesExamples - At this stage, both the cotyledons and epicotyls (if visible) were green.
- The number of embryos developing an epicotyl was determined after 9 weeks in germination.
- These enzymes have also been detected in a wide range of plant organs and tissues undergoing developmental changes such as seeds, cotyledons, elongating epicotyls, and in freshly harvested asparagus spears.
- In addition, they have four or five scaly leaves with lateral buds on their epicotyl.
- However, in coleoptiles, hypocotyls and epicotyls, gravity can be perceived along the whole length of the responding region and there is no such need to postulate any longitudinal transfer of a message.
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