Qhov Tseem Ceeb - Prostomium vs Peristomium
Prostomium thiab Peristomium yog ob feem pom nyob rau hauv lub taub hau cheeb tsam ntawm lub annelids. Qhov sib txawv tseem ceeb ntawm prostomium thiab peristomium yog tias cov prostomium muaj cov kab mob hauv nruab nrog cev thiab thaj chaw lub qhov ncauj thaum lub peristomium muaj nyob rau hauv lub qhov ncauj cheeb tsam ntawm lub prostomium thiab tsis muaj ib qho kev puas hlwb.
Phylum Annelida yog ib pab pawg loj ntawm cov kab ringed uas yog segmented. Lub ntiaj teb worms, leaches, thiab marine worms muaj nyob rau hauv no phylum. Annelid lub cev yog tsim los ntawm peb ntu tseem ceeb xws li lub taub hau cheeb tsam, metameres, thiab pygidium (terminal region). Lub taub hau cheeb tsam muaj prostomium thiab peristomium.
Prostomium yog dab tsi?
Lub Prostomium txhais tau tias yog thaj av ntawm lub taub hau ntawm annelids uas muaj nyob rau pem hauv ntej ntawm lawv lub qhov ncauj cheeb tsam. Lub cev annelids raug muab faib ua peb qhov loj. Cov no suav nrog cov prostomium, lub cev thiab cov pygidium. Yog li ntawd, lub prostomium yog thaj tsam anterior ntawm lub cev.
Nws yog tsim los ntawm cheeb tsam lub qhov ncauj thiab lub cev muaj zog. Lub xub ntiag ntawm lub cev muaj peev xwm muab cov yam ntxwv tshwj xeeb rau prostomium. Lub luag haujlwm ntawm cov kabmob no yog txhawm rau txheeb xyuas qhov sib txawv ntawm qhov hnov qab los ntawm ib puag ncig sab nraud.
Daim duab 01: Prostomium
Lub prostomium kuj muaj cov qauv teeb pom kev zoo hu ua eyepots. Cov kab mob hauv lub cev uas muaj nyob hauv prostomium muaj xws li caruncle thiab nuchal organ. Tsis tas li ntawd, lub prostomium yuav muaj tentacles, cirri thiab palps nyob rau hauv ntau hom annelids.
Peristomium yog dab tsi?
Lub peristomium txhais tau hais tias tus nplaig zoo li ntu uas muaj nyob rau pem hauv ntej uas nyob ib puag ncig lub qhov ncauj. Lub qhov ncauj cheeb tsam yog nyob rau hauv lub prostomium. Yog li, nws tuaj yeem hais tias peristomium muaj nyob rau hauv lub prostomium.
Lub peristomium tsis muaj ib yam kabmob nrog rau kev hnov lus, thiab lwm yam. Vim tias tsis muaj cov kabmob, cov peristomium tsis suav tias yog ntu tseeb. Nrog rau kev ua haujlwm, peristomium tsis muaj cov haujlwm tshwj xeeb vim tsis muaj cov kabmob. Qee hom annelids muaj appendages hauv peristomium. Cov appendages no hu ua chaetae.
Daim duab 02: Anterior Anatomy ntawm Annelida
Nws tau hais tias lub prostomium muaj cov tentacles, cirri thiab palps nyob rau hauv ntau hom annelids. Txij li thaum lub peristomium yog tam sim no nyob rau hauv lub prostomium, cov tentacles, cirri thiab palps muaj nyob rau hauv lub peristomium.
Dab tsi yog qhov zoo sib xws ntawm Prostomium thiab Peristomium?
- Ob leeg Prostomium thiab Peristomium yog ntu ntawm lub cev annelids
- Ob leeg muaj nyob rau thaj tsam sab hauv ntawm lub cev.
Qhov txawv ntawm Prostomium thiab Peristomium yog dab tsi?
YProstomium vs Peristomium |
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| Prostomium txhais tau tias yog thaj tsam ntawm lub taub hau ntawm annelids uas muaj nyob rau hauv pem hauv ntej ntawm lawv lub qhov ncauj cheeb tsam. | Peristomium txhais tau tias yog ntu uas muaj nyob rau hauv pem hauv ntej uas nyob ib puag ncig lub qhov ncauj. |
| Lub Prostomium yog tsim los ntawm annelids sensory organ thiab lub qhov ncauj cheeb tsam. | Peristomium tsis tsim cov kabmob tshwj xeeb. |
| Major Function | |
| Nws pab cov annelids lub cev raug thawb mus rau hauv av. | Tsis muaj haujlwm tseem ceeb hauv kev muaj lub peristomium. |
| Kev Pom Kev Ua Haujlwm | |
| Kev muaj lub siab xav hauv nruab nrog cev hauv prostomium cuam tshuam nrog kev sib koom tes. | Tsis muaj qhov hnov tsw vim tias lub cev tsis muaj zog hauv peristomium. |
| Segmental Age Difference | |
| Piv rau Prostomium tsawg dua li Peristomium. | Peristomium yog suav tias yog ntu qub tshaj plaws ntawm lub cev annelids. |
| Prostomium nyob rau hauv lub taub hau cheeb tsam. | Peristomium nyob rau hauv thawj feem ntawm lub cev nyob rau hauv pem hauv ntej cheeb tsam. |
| Prostomium muaj caruncle, nuchal organ thiab qhov muag me ntsis. | Tsis muaj lub cev tshwj xeeb muaj nyob hauv peristomium. |
| Tseeb Segment | |
| Lub Prostomium suav tias yog ntu tseeb ntawm lub cev annelids. | Lub Peristomium tsis suav tias yog ntu tseeb ntawm lub cev. |
| Ib cheeb tsam lub qhov ncauj muaj nyob hauv prostomium. | Chaetae muaj nyob hauv peristomium. |
Summary – Prostomium vs Peristomium
Lub cev ntawm lub annelid muab faib ua peb thaj chaw loj. Lawv yog cov prostomium, lub cev thiab cov pygidium. Lub prostomium muaj ib cheeb tsam ntawm lub qhov ncauj thiab lub cev lub cev. Lub peristomium tsis muaj cov kab mob hauv nruab nrog cev. Lub peristomium yog suav tias yog qhov qub tshaj plaws ntawm lub cev annelids. Lub prostomium yog suav tias yog ib qho tseeb ntawm lub cev thaum lub peristomium tsis yog. Qhov no yog qhov txawv ntawm prostomium thiab peristomium.
