Eustele yog hais txog ib hom siphonostele, nyob rau hauv cov ntaub so ntswg vascular nyob rau hauv qia tsim ib lub nplhaib nruab nrab ntawm pob ib ncig ntawm lub pith. Tab sis, atactostele yog hais txog ib hom eustele, pom nyob rau hauv monocots, nyob rau hauv cov ntaub so ntswg vascular nyob rau hauv qia muaj raws li tawg ntho.
Eustele txhais li cas?
: a stele typical ntawm dicotyledonous nroj tsuag uas muaj vascular bundles ntawm xylem thiab phloem strands nrog parenchymal hlwb ntawm cov bundles.
pom Atactostele nyob qhov twg?
Atactostele yog ib hom eustele pom hauv monocots, thaum lub sij hawm cov nroj tsuag, nyob rau hauv lub qia, tshwm sim raws li dissipated bundles. Hauv lwm lo lus, cov qauv ntawm stele yog ib hom complex uas yog hu ua atactostele.
hom stele yog dab tsi?
Muaj feem ntau yog peb hom protostele:
- haplostele - muaj cov tub ntxhais cylindrical ntawm xylem ncig los ntawm lub nplhaib ntawm phloem. …
- actinostele - qhov hloov pauv ntawm cov protostele uas lub hauv paus yog lobed lossis fluted.
Protostele hauv botany yog dab tsi?
: a stele tsim tus pas nrig nrog phloem nyob ib puag ncig xylem.
