2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Maxillary premolars Lub maxillary thawj premolar muaj qhov sib txawv morphology tab sis feem ntau suav hais tias muaj ob lub hauv paus thiab ob lub kwj dej (Fig. 1.58).
Puas muaj premolar muaj ob lub hauv paus?
Tus naj npawb ntawm cov hauv paus hniav rau txhua hom hniav sib txawv. Feem ntau incisors, canines thiab premolars yuav muaj ib cagwhereas molars yuav muaj ob lossis peb.
Puas muaj pes tsawg lub hauv paus ob premolar?
Maxillary thib ob premolar feem ntau muaj ib cag nrog ib lossis ob lub hauv paus kwj dej. Raws li qhia los ntawm Vertucci, qhov tshwm sim ntawm ib tug kwj dej nrog ib tug apex yog 75% thiab ob kwj dej ntawm lub apex yog 24%. Lub xub ntiag ntawm peb kwj dej ntawm apex tau pom tias tsuas yog 1%.
Cov hniav twg muaj ob lub hauv paus?
Maxillary thawj premolars thiab mandibular molars feem ntau muaj ob lub hauv paus.
Puas yog premolar muaj 2 lossis 3 cusps?
Kev Ntsuas: Lub mandibular thib ob premolar feem ntaufeem ntau muaj peb cusps tab sis tuaj yeem muaj ob thiab. Peb cusp ntau yam muaj ib tug loj cusp ntawm lub buccal nrog ob tug me lingual cusps.
Pom zoo:
Cov cag ntoo nyob qhov twg?
Cov cag ntoo tom qab yog qhov ntev ntawm cov paj hlwb pseudounipolar nyob ntawm dorsal cag ganglions (DRGs). Rootlets koom ua cov hauv paus hniav anterior (los ntawm 6 mus rau 8 anterior rootlets) thiab posterior cov hauv paus hniav (los ntawm 8 mus rau 10 posterior rootlets).
Leej twg yog tus tsis muaj cag?
Tus neeg uas yog rootless tsis muaj tsev nyob ruaj khov lossis chaw nyob. Koj tus nkauj muam nraug nus tsis muaj peev xwm txuag tau nyiaj rau daim pib mus rau Is Nrias teb thiab tom qab ntawd siv xyoo rov qab mus ncig Asia. Qee cov nroj tsuag tsis muaj cag, loj hlob yam tsis muaj cov hauv paus hniav kom nqus cov as-ham.
Cov cag twg muaj cov dicots?
Cotyledons Page 2 Janet Grabowski PMC Tus Thawj Saib Xyuas Yog tias koj xav khawb me ntsis, dicots muaj taproot system, nrog ib lub hauv paus loj ntawm cov nroj tsuag thiab cov hauv paus me me uas ceg tawm ntawm nws raws li qhia ntawm cov nroj tsuag duab rau sab laug.
Cov ntoo twg muaj cov cag ntoo?
Ntawm thiab keeb kwm cov ntoo ntoo nrog cov cag ntoo Ceiba pentandra ntawm Vieques, Puerto Rico. Moreton Bay Fig Tsob Ntoo | Ficus macrophylla hauv Queensland, Australia. Artocarpus heterophyllus, Is Nrias teb. Terminalia arjuna, India.
Vim li cas qhov tseem ceeb ntawm qhov muaj zog thiab qhov tsis muaj zog yog qhov tseem ceeb?
Nws yog ib qho tseem ceeb rau qhov tseem ceeb ntawm qhov ua tau zoo thiab qhov tsis muaj zog vim qhov no pab lub tuam txhab txiav txim siab txog thaj chaw uas lawv yuav tsum tau txhim kho ntxiv rau thaj chaw uas lawv ua tau zoo hauv. Vim li cas lub zog thiab qhov tsis muaj zog tseem ceeb?
