![Dab tsi yog cov ntaub so ntswg hauv cov nroj tsuag? Dab tsi yog cov ntaub so ntswg hauv cov nroj tsuag?](https://i.answers-medical.com/preview/medical-health/13820662-what-is-secondary-tissue-in-plants-j.webp)
Video: Dab tsi yog cov ntaub so ntswg hauv cov nroj tsuag?
![Video: Dab tsi yog cov ntaub so ntswg hauv cov nroj tsuag? Video: Dab tsi yog cov ntaub so ntswg hauv cov nroj tsuag?](https://i.ytimg.com/vi/uZjk1SzHuKI/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Lateral meristems yog cov faib cov hlwb hauv thib ob kev loj hlob, thiab tsim tawm thib ob cov ntaub so ntswg. Secondary xylem yog ntoo tiag tiag ntawm cog , thiab thib ob phloem muab kev thauj qab zib. Cov vascular cambium yog txheej tuab heev ntawm cov cell nruab nrab ntawm xylem thiab phloem.
Kuj nug, cov ntaub so ntswg yog dab tsi?
cov ntaub so ntswg thib ob . cov ntaub so ntswg thib ob . npe. Botany. Cov ntaub so ntswg tsim los ntawm ib sab meristem, xws li cork.
Ib sab saum toj no, cov ntaub so ntswg tseem ceeb thiab theem ob yog dab tsi? Cov thawj cov ntaub so ntswg suav nrog txheej txheej saum npoo av, lossis daim tawv nqaij; cov thawj cev cov ntaub so ntswg , xylem thiab phloem, uas ua dej thiab zaub mov, feem; thiab hauv av cov ntaub so ntswg . Cov cov ntaub so ntswg thib ob tshwm sim los ntawm ib sab meristems, thiab lawv tsim yog lub luag haujlwm tseem ceeb rau kev loj hlob hauv tuab ntawm cov qia thiab cov hauv paus hniav.
Ib tus kuj tseem yuav nug tau tias, cov ntaub so ntswg vaum hauv cov nroj tsuag yog dab tsi?
… tab sis los ntawm kev loj hlob ntawm cov leeg nqaij ob leeg nyob ib ncig ntawm tag nrho ib puag ncig ntawm thawj cog lub cev. Cov cov leeg nqaij ob leeg sawv los ntawm cev cambium, ib txheej ntawm meristematic cov ntaub so ntswg insinuated ntawm thawj xylem thiab thawj phloem (saib saum toj no Cov leeg nqaij ).
Thawj cov ntaub so ntswg hauv cov nroj tsuag yog dab tsi?
Hauv cog lub cev, cov ntaub so ntswg yog categorized dav rau peb cov ntaub so ntswg systems: epidermis, hauv av cov ntaub so ntswg , thiab lub cev cov ntaub so ntswg . Vascular cov ntaub so ntswg - Cov thawj cov khoom ntawm vascular cov ntaub so ntswg yog xylem thiab phloem. Cov no thauj cov kua thiab cov as -ham sab hauv.
Pom zoo:
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Cov ntaub so ntswg sib txuas tsis sib thooj muaj cov fibers uas tsis tau sib dhos ua ke zoo ib yam li cov ntaub so ntswg sib txuas ib ntus. Cov ntaub so ntswg sib txuas tsis sib thooj muaj feem ntau ntawm cov fibers collagen. Nws muaj cov khoom hauv av tsawg dua li cov ntaub so ntswg sib txuas
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Raws li rau txhua tus tsiaj, koj lub cev yog tsim los ntawm plaub hom ntaub so ntswg: epidermal, nqaij, paj hlwb, thiab cov ntaub so ntswg. Nroj tsuag, ib yam nkaus, yog tsim los ntawm cov ntaub so ntswg, tab sis tsis yog qhov xav tsis thoob, lawv txoj kev ua neej sib txawv heev los ntawm ntau hom ntaub so ntswg. Tag nrho peb hom kev cog qoob loo tau pom nyob hauv cov ntaub so ntswg feem ntau
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Cov ntaub so ntswg yog ib pawg ntawm cov cell uas muaj cov duab zoo sib xws thiab ua haujlwm. Cov ntaub so ntswg sib txawv tuaj yeem pom hauv cov kabmob sib txawv. Hauv tib neeg, muaj plaub yam tseem ceeb ntawm cov ntaub so ntswg: epithelial, txuas, leeg, thiab leeg nqaij. Tej zaum yuav muaj ntau cov ntaub so ntswg hauv txhua qhov ntawm cov ntaub so ntswg
Lub luag haujlwm ntawm phloem cov ntaub so ntswg nyob rau hauv cov nroj tsuag thauj system yog dab tsi?
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Phloem yog cov ntaub so ntswg ua lub luag haujlwm rau kev thauj cov suab thaj los ntawm cov ntaub so ntswg (ex. photosynthetic nplooj hlwb) mus rau hauv cov ntaub so ntswg (ex. non-photosynthetic cag hlwb los yog tsim paj). Lwm cov molecules xws li cov proteins thiab mRNAs kuj tau thauj thoob plaws hauv cov nroj tsuag ntawm phloem
Vim li cas cov nroj tsuag muaj feem ntau ntawm cov ntaub so ntswg tuag?
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Vim li cas cov nroj tsuag muaj cov ntaub so ntswg tuag ntau dua piv rau cov tsiaj? Cov ntaub so ntswg feem ntau tuag lawm, txij li cov cell tuag tuaj yeem muab lub zog ua kom yooj yim li cov nyob thiab yog li xav tau kev saib xyuas tsawg dua. Tsis tas li, cov nroj tsuag nyob ruaj khov thiab yog li xav tau tsawg zog