Video: Ntoo parenchyma yog dab tsi?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Txhais ntawm ntoo parenchyma .: txoj kab ntsug thiab feem ntau yog axially teem parenchyma ntawm xyem uas ntseeg tias ua haujlwm tseem ceeb hauv kev khaws cov carbohydrates - piv rau phloem parenchyma , duab tshav parenchyma.
Ib yam li ib tug yuav nug, Apotracheal parenchyma yog dab tsi?
Apotracheal parenchyma Apotracheal hais txog parenchyma cov cell uas tshwm sim cais los ntawm lub qhov hws. Apotracheal parenchyma tuaj yeem tshwm sim raws li ib lub hlwb tawg, cais raws li diffuse parenchyma . Cov hlwb no tsawg dhau kom pom yam tsis muaj lub tsom iav.
Ib qho ntxiv, axial parenchyma yog dab tsi? Axial parenchyma muaj cov cell elongate los yog (ntau dua) cov xov tooj ntawm tes, muaj sia nyob ntawm kev loj hlob, muab los ntawm fusiform cambial lub npe pib. Axial parenchyma cov hlwb feem ntau yog thinner-walled tshaj cov imperforate tracheary ntsiab uas lawv koom nrog.
Ib yam li ntawd, nws tau nug, dab tsi yog parenchymal hlwb?
Parenchyma , hauv cov nroj tsuag, cov ntaub so ntswg feem ntau yog tsim los ntawm kev nyob hlwb uas yog cov phab ntsa nyias, tsis tshwj xeeb hauv cov qauv, thiab yog li hloov pauv, nrog kev sib txawv, rau ntau yam haujlwm.
Cov cell ua ntoo li cas?
Ntoo. Ntoo, tseem hu ua Secondary xylem, yog ib qho kev sib xyaw ntawm cov ntaub so ntswg pom hauv ntoo. Secondary xylem yog tsim los ntawm cov hlwb, hu ua cov hlab ntsha hauv angiosperms, los yog cov hlwb sib txawv me ntsis hauv gymnosperms hu ua tracheids.
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