Qhov txawv ntawm Ciam Teb Qhov Ncauj thiab Qhov Yooj Yim Yooj Yim

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Qhov txawv ntawm Ciam Teb Qhov Ncauj thiab Qhov Yooj Yim Yooj Yim
Qhov txawv ntawm Ciam Teb Qhov Ncauj thiab Qhov Yooj Yim Yooj Yim

Video: Qhov txawv ntawm Ciam Teb Qhov Ncauj thiab Qhov Yooj Yim Yooj Yim

Video: Qhov txawv ntawm Ciam Teb Qhov Ncauj thiab Qhov Yooj Yim Yooj Yim
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Qhov sib txawv ntawm qhov sib txawv ntawm ciam teb thiab qhov yooj yim yog qhov ciam teb muaj ib phab ntsa thib ob hla lub qhov kab noj hniav ua ib tus ciam teb thaum lub qhov yooj yim tsis muaj arching ntawm phab ntsa theem nrab thiab nqaim ntawm lub qhov ntawm lub lumen.

Ib lub qhov yog ib qho kev nyuaj siab ntawm cov phab ntsa ntawm phab ntsa. Pits yog siv los pauv cov kua dej thiab sib txuas lus nrog cov hlwb nyob sib ze. Feem ntau, ob qhov pits yog nyob rau sab nraud ntawm ib leeg ua ib khub ntxiv. Muaj peb qhov tseem ceeb ntawm ib lub qhov. Lawv yog pit chamber, qhov aperture, thiab lub qhov dej membrane. Pits yog cov yam ntxwv ntawm xylem hauv cov nroj tsuag vascular. Thaum lub sij hawm txoj kev loj hlob ntawm ib lub qhov, ob lub cell phab ntsa yuav hla arch lub qhov kab noj hniav, tsim ib tug ciam teb. Pits uas muaj ciam teb no hu ua bordered pits. Cov qhov tsis muaj ciam teb yog hu ua qhov yooj yim.

Dab tsi yog Ciam Teb Pit?

Ib lub qhov ciam teb yog ib hom qhov uas muaj ciam teb. Lub ciam teb yog tsim vim lub arching ntawm lub thib ob cell phab ntsa hla lub qhov kab noj hniav. Yog li ntawd, lub qhov dej ciam teb yuav nqaim zoo li lub funnel ntawm lub lumen ntawm lub cell. Cov pits uas muaj ciam teb muaj qhov apertures uas yog me me sib npaug lub qhov ncauj zoo li qhov chaw. Qhov apertures tej zaum yuav muaj cov duab sib txawv; ncig, lenticular, linear lossis oval. Thaum pom nyob rau hauv lub microscope, lub qhov ciam teb zoo li lub khob noom cookie.

Qhov tseem ceeb sib txawv - Ciam teb Pit vs Simple Pit
Qhov tseem ceeb sib txawv - Ciam teb Pit vs Simple Pit

Daim duab 01: Ciam teb qhov chaw

Cov pits ciam teb muaj ntau nyob rau hauv cov hlab ntsha ntawm ntau yam angiosperms thiab nyob rau hauv lub tracheids ntawm ntau conifers. Muaj peb hom kev ciam teb ntawm cov pits hauv cov phab ntsa ntawm cov hlab ntsha ntawm angiosperms. Lawv yog scalariform, opposite thiab alternate.

Ib Simple Pit yog dab tsi?

Ib qhov yooj yim yog ib lub qhov uas tsis muaj ciam teb. Nws yog ib hom ntawm qhov av pom nyob rau hauv cov nroj tsuag xws li parenchyma hlwb, medullary rays, phloem fibers, khub hlwb, thiab tracheids ntawm ntau flowering nroj tsuag.

Qhov txawv ntawm Ciam Teb Pit thiab Simple Pit
Qhov txawv ntawm Ciam Teb Pit thiab Simple Pit

Daim duab 02: Simple Pit Pair

Cov pits yooj yim tsis muaj arching ntawm phab ntsa cell thib ob hla lub qhov kab noj hniav. Yog li ntawd, tsis muaj qhov nqaim ntawm qhov kab noj hniav mus rau lub lumen ntawm lub cell. Qhov kab noj hniav tseem yog tib txoj kab uas hla. Qee lub sij hawm, qhov yooj yim sib txuas nrog lub qhov ciam teb.

Dab tsi yog qhov zoo sib xws ntawm Ciam Teb Pit thiab Simple Pit?

  • qhov chaw ciam teb thiab qhov yooj yim yog ob hom kev nyuaj siab ntawm cov nroj tsuag thib ob ntawm phab ntsa.
  • Lawv muaj ua khub; lawv nyob opposite ib leeg ua ib khub ntxiv.
  • Lawv ua raws li kev thauj dej thiab cov zaub mov ntawm cov hlwb.
  • Ob leeg muaj lub qhov chamber, lub qhov aperture, thiab lub qhov txhab.

Dab tsi yog qhov txawv ntawm Ciam Teb Pit thiab Simple Pit?

Lub qhov ciam teb muaj ciam teb tsim vim yog qhov overarching ntawm phab ntsa cell thib ob thaum lub qhov yooj yim tsis muaj ciam teb. Yog li, qhov no yog qhov sib txawv tseem ceeb ntawm qhov ciam teb thiab lub qhov yooj yim. Ntxiv mus, nyob rau hauv ciam teb pits, nqaim ntawm lub qhov rau lub lumen ntawm lub cell yuav pom tau thaum tsis muaj xws li nqaim nyob rau hauv lub qhov yooj yim.

Cov ntawv qhia hauv qab no qhia ntau qhov kev sib piv ntsig txog qhov sib txawv ntawm qhov chaw ciam teb thiab qhov chaw yooj yim.

Qhov sib txawv ntawm Ciam Teb Pit thiab Simple Pit hauv Tabular Form
Qhov sib txawv ntawm Ciam Teb Pit thiab Simple Pit hauv Tabular Form

Summary – Bordered Pit vs Simple Pit

Ib lub qhov yog kev nyuaj siab ntawm phab ntsa ntawm cov nroj tsuag. Qhov yooj yim pits thiab ciam teb pits yog ob hom pits. Nyob rau hauv ciam teb pits, lub thib ob cell phab ntsa arches tshaj lub qhov kab noj hniav thaum nyob rau hauv yooj yim pits, tsis muaj xws li arching ntawm lub thib ob cell phab ntsa hla lub qhov kab noj hniav. Yog li, qhov no yog qhov sib txawv tseem ceeb ntawm lub qhov ciam teb thiab lub qhov yooj yim. Ntxiv mus, cov pits ciam teb muaj nyob rau hauv cov hlab ntsha tawv tawv, tracheids, thiab fibers thaum cov pits yooj yim pom nyob rau hauv parenchyma hlwb, nyob rau hauv extraxylary fibers, thiab nyob rau hauv sclereids.

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