Dab tsi yog dehiscence ntawm anther?

Cov txheej txheem:

Dab tsi yog dehiscence ntawm anther?
Dab tsi yog dehiscence ntawm anther?

Video: Dab tsi yog dehiscence ntawm anther?

Video: Dab tsi yog dehiscence ntawm anther?
Video: Hmong new song 2016 - Yog dab tsi - Xub Hluav Taws (Official MV) 2024, Hlis ntuj nqeg
Anonim

Anther dehiscence yog qhov kawg ua haujlwm ntawm anther uas ua rau tso cov paj ntoos nplejtxheej txheem no tau sib koom ua ke nrog kev sib txawv ntawm paj ntoos, kev loj hlob paj, thiab paj qhib. Lub phab ntsa anther tawg ntawm ib qho chaw tshwj xeeb. … Lub stomium yog thaj tsam ntawm lub anther uas dehiscence tshwm sim.

Lub ntsiab lus ntawm dehiscence hauv biology yog dab tsi?

noun. Biology. kev tso tawm cov ntaub ntawv los ntawm kev sib cais qhib ntawm lub cev lossis cov ntaub so ntswg. Botany. Lub ntuj tawg qhib ntawm cov tshuaj ntsiav, txiv hmab txiv ntoo, anthers, thiab lwm yam, rau kev tso tawm ntawm lawv cov ntsiab lus.

Yuav ua li cas pab kom dehiscence ntawm anther?

Note: Endothecium yog txheej ntawm phab ntsa anther uas pab hauv anther dehiscence. Endothecium cells tsim cov fibrous thickenings uas tawm los ntawm cov phab ntsa sab hauv tangential thaum loj tuaj.

Txheej twg ua rau dehiscence ntawm anther?

txheej endothecium nyob hauv qab daim tawv nqaij thiab feem ntau yog ib txheej txheej. Cov hlwb ntawm endothecium ua radially elongated thiab undergo ntau tshaj txoj kev loj hlob rau lub dehiscence ntawm anthers.

lo lus Dehiscent txhais li cas?

(dĭ-hĭs′əns) 1. Botany Lub spontaneous qhib ntawm maturity ntawm ib tsob nroj qauv, xws li txiv hmab txiv ntoo, anther, los yog sporangium, tso tawm nws cov ntsiab lus. 2. Tshuaj Ib qho rupture los yog splitting qhib, raws li ib tug phais qhov txhab, los yog ntawm lub cev los yog cov qauv kom tso tawm nws cov ntsiab lus.

Pom zoo: