2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Paleontologist Louis Leakey thawj zaug pom Kenyapithecus hauv xyoo 1961 ntawm qhov chaw hu ua Fort Ternan. Nws dubbed 14 lab-xyoo-laus lub puab tsaig sab sauv thiab cov hniav pom muaj K.
Kenyapithecus cov pob txha nyob qhov twg?
Kenyapithecus wickeri yog fossil ape nrhiav tau los ntawm Louis Leakey hauv xyoo 1961 ntawm chaw hu ua Fort Ternan hauv Kenya.
Leej twg pom cov pob txha ntawm Proconsul africanus?
Tus Proconsul africanus pob txha taub hau tau tshawb pom los ntawm Mary Leakey hauv 1948 ntawm Rusinga Island, Kenya. Cov qauv no, raws li 1948 Leakey nrhiav pom, yog qhov ua tiav Proconsul africanus cranium rau hnub tim. Alan Walker tau hloov pauv Proconsul africanus, Miocene hominoid, raws li heseloni hauv xyoo 1993.
Thaum twg cov pob txha ntawm Proconsul africanus nrhiav tau?
In 1948, ntawm Rusinga Island hauv Lake Victoria, nws nrhiav tau lub pob txha taub hau ntawm Proconsul africanus, ib tug poj koob yawm txwv ntawm ob leeg apes thiab tib neeg thaum ntxov uas nyob txog 25 lab xyoo dhau los.
Lub ntsiab lus ntawm Kenyapithecus yog dab tsi?
1: a genus ntawm cov tsiaj qub uas ploj lawm(K. africanus thiab K. wickeri) ntawm sab hnub tuaj Africa tau tuav los ua ib feem ntawm cov txiv neej zoo thiab tib neeg cov kab mob hloov pauv uas cov primitive form (K. africanus) yog tam sim no qee zaum muaj nyob rau hauv lwm cov primate genus (genus Equatorius)
Pom zoo:
Dab tsi ua kom pob txha pob txha ntawm cov pob qij txha?
pob txha muab cov duab, txhawb nqa, thiab qauv rau lwm cov ntaub so ntswg hauv lub cev. Nws kuj yuav pab tau cov pob qij txha. Pob txha mos kuj smoothens cov pob txha nto ntawm cov pob qij txha. Cov ntaub so ntswg dab tsi npog cov pob txha ntawm cov pob qij txha?
Puas yog pob txha pob txha pob txha zoo ib yam li meniscus?
Cov pob txha mos yog qhov tawv tab sis du npog ntawm qhov kawg ntawm cov pob txha hauv cov pob qij txha. Nws tso cai rau gliding yam tsis muaj kev tiv thaiv ntau thiab ua haujlwm nrog cov meniscus kom cushion kawg ntawm cov pob txha. Lub meniscus nyob nruab nrab ntawm lub femur thiab tibia.
Dab tsi qhov sib txawv ntawm cov pob txha pob txha thiab pob txha?
Cov pob txha pob txha yog tsim los ntawm osteons thiab tsim cov txheej txheem sab nraud ntawm txhua pob txha. Cov pob txha pob txha yog tsim los ntawm trabeculae thiab ua rau sab hauv ntawm txhua pob txha. Dab tsi yog qhov sib txawv ntawm cov pob txha pob txha thiab pob txha pob txha?
Puas yog lub pob txha pob txha pob txha pob txha?
CONCLUSIONS: vertebral endplate raug mob feem ntau pom hauv osteoporotic vertebral compression fractures. Dab tsi ua rau lub pob txha tawg? Nws yog kev xav tias, nyob rau hauv ntau qhov mob ntawm qhov mob qis qis, thawj qhov ua rau mob yog pob txha ntawm pob txha caj qaum los ntawm compression rog.
Vim li cas pob txha pob txha txawv ntawm cov pob txha li niaj zaus?
Thaum osteoporosis tshwm sim, lub qhov thiab qhov chaw hauv lub honeycomb loj dua li cov pob txha noj qab haus huv. Cov pob txha osteoporotic muaj poob ntom lossis loj thiab muaj cov ntaub so ntswg txawv txav. Raws li cov pob txha tsis tshua muaj zog, lawv tsis muaj zog thiab feem ntau yuav tawg.
