Txhua tsob ntoo muaj Medullary Rays, raws li nws yog lub hauv paus biology ntawm tsob ntoo. Cov rays no tau tshaj tawm nyob rau hauv Dawb thiab Liab Oak thiab thaum cov tsiaj no yog quartersawn, cov rays tshwm sim lawv tus kheej hla lub ntsej muag ntawm lub rooj tsavxwm zoo li txhuam strokes.
pom medullary rays nyob qhov twg?
Cov kab hluav taws xob medullary yog cov txheej txheem zoo ntawm lub cev muaj xws li pob ntawm lub raum tubules uas tsim nyob rau hauv lub raum cortex thiab txuas ntxiv mus rau lub raum medulla raws li cov medullary striations.
Puas yog medullary rays muaj nyob rau hauv monocots?
Pith thiab medullary rays muaj nyob rau hauv lub Dicot qia whereas lub (pith thiab medullary rays) tsis nyob rau hauv lub monocot qia.
Dab tsi yog medullary rays hauv cov nroj tsuag?
Medullary rays yog strips ntawm parenchyma tam sim no ntawm vascular bundles ntawm dicot qia. Lawv cais xylem thiab phloem bundles. Lawv ua haujlwm raws li kev sib txuas ntawm pith thiab cortex. Lawv tseem hu ua pith rays thiab vascular rays.
Dab tsi yog txoj haujlwm ntawm medullary rays hauv cov nroj tsuag?
Medullary rays yog strips ntawm parenchyma tam sim no ntawm vascular bundles ntawm dicot qia. Nws ua kom muaj kev sib raug zoo ntawm pericycle thiab medulla. Lub medullary rays yog tsim nyog rau kev xa tawm radial ntawm dej, minerals thiab lwm yam khoom ntujLawv khaws ib qho kev sib txuas ntawm lub pith thiab lub cortex.
