Definition of hypocotyl in English:
hypocotyl
noun ˌhʌɪpə(ʊ)ˈkɒtɪlˈhīpəˌkätl
Botany The part of the stem of an embryo plant beneath the stalks of the seed leaves or cotyledons and directly above the root.
Example sentencesExamples
- Callus was formed on cotyledons, hypocotyls, and radicles of embryos.
- During weeks 5 and 6 there was further development of the hypocotyl root axis and cotyledons.
- Shoots comprising the two cotyledons and the hypocotyl were separated from the roots.
- 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.