Imfundo:, Sayensi
Iintlobo zamathambo: umlo, ubungakanani, uhlobo lwamalungu
I-squke, eyona yimbi ye-musculoskelet system, iqulethe iintlobo ezahlukeneyo zamathambo. Ahluke kwifom, isakhiwo kunye nemisebenzi.
Iimpawu zesakhiwo seethambo leethambo
Olu hlobo lweethambo ezixhumeneyo lunesakhiwo esiqhelekileyo. Iqukethe iiseli ezibizwa nge-osteocytes, ezizalisa isikhala phakathi kwazo. Le ntonga iyingqayizivele kwimveliso yendalo kunye nepropati. Izinto ze-Organic, ezibizwa ngokuba yi- collagen fibers, zinika ukunyaniseka. Iindidi zetyuwa zi namandla. Umzekelo, i-femur iyakwazi ukumelana nomthwalo weetoni eziliqela. Yaye ukuba kuthe kwavela izicubu zethambo kususa izinto ezingekhoyo, kuya kupheka lula.
Iintlobo zamathambo omntu: iimpawu zokuhlelwa
Iimpawu eziliqela zisekelwe kwisigaba samathambo . Lo bubume, ubungakanani kunye nesakhiwo. Iindidi zamathambo zichaza nomsebenzi abaza kuwenza kamva. Zixesha elide, elifutshane nelibanzi. Eyokuqala iqule umgca ngaphakathi, uzaliswe ngethambo lomnatha. Esi sakhiwo sinikeza amandla amathambo omzimba omzimba kunye nokukhanya. Ekupheleni kwayo yinto engumnxeba phakathi kwezinto apho umongo obomvu. Esi sisiseko seeseli ze-hematopoietic zomzimba. Amathambo amfutshane kunye avulekileyo atyunjwa ngokupheleleyo ngepropati.
Iibhondi zidibene kunye kwaye azikho izifaniso zomzimba. Iqela lokuqala liyakha i-crake. Ezi ziquka i-temporal, zygomatic, iparietal. Iipatheni zinezinye amathambo amabhande kunye namagqabha a mahala. Ezi zi-clavicles, scapulae, radial, humeral, pelvic. Imizekelo yamathambo angaphiliyo yi-frontal, occipital, kunye nemandibular.
Ngendawo emzimbeni, amathambo omzimba wamakhanda (intloko) kunye ne-trunk bahluke. Iqela lokugqibela liquka umgudu, umsila kunye nezimbambo. Kwakhona kule ndawo, amathambo amabhande kunye namaqondo aphezulu aphezulu naphantsi ahlukeneyo. Ingqikithi kukho abangaphezu kwama-200 kuwo emzimbeni womntu.
Itheyibhile: Iintlobo zamathambo
| Iintlobo zamathambo | U mzekelo | Iimpawu zesakhiwo |
| Elide (i-tubular) | Abesifazane, abancinci kunye ne-tibial, ama-hummer, ama-radial, ulnar | Ubungakanani bamathambo ezi ntlobo bunkulu kunokuba bubanzi. Ngaphezulu kuluhlu lwamathambo axhumeneyo - i-periosteum. Ngenxa yoko, ukukhula kubunzima kwenzeka. Ekupheleni kwethambo yinto enesipongi apho umongo obomvu ukhona. Le yindawo yokubunjwa kweeseli zegazi. Isithambo samathambo sigcwalisa umongo wethambo. |
| Mfutshane | Amathambo angaphambili kunye neeparietal zekrele | Ubungakanani nobubanzi bamathambo alolu hlobo buncinane. Ziyilwe ngokupheleleyo ngumbutho wesipongi owuhlanganisa umgca we-compact matter. |
| (Ephahleni) | Isisu, i- pelvis, iimbambo, i-scapula | Ummandla wamathambo udlula ubuninzi. Iqulunqwe ngamacwecwe amabini, equkethe isicatshulwa esincinci, phakathi kwesiponomi. Siyabulela kwisiza esikhulu, sisiseko sokufakela izihlunu. |
Ziziphi amathambo omxube odibeneyo?
Ngokuqhelekileyo ngenxa yesakhiwo esiyinkimbinkimbi sethambo asikwazi ukuba kubangelwa uhlobo oluphambili. Zibizwa ngokuba zixutywe. Ezi zakhiwo zibandakanya i-vertebrae, i-sacrum, isiseko se-crude, i- clavicle. Ziqukethe iinxalenye ezininzi. Ngaloo ndlela, i-vertebra yenziwa ngumzimba kunye neenkqubo, kwaye umsebenzi ophezulu walo mgaqo ukukhusela intambo yomthambo.
Iintlobo zamathambo kunye neempawu zoxhumano lwabo
Wonke amathambo emzimbeni womntu ahlanganisene kwisimo esiyinkimbinkimbi ngoncedo lwezixhobo ezahlukeneyo. Indlela abaqhotyoshelana ngayo, inquma kunye nomsebenzi wesakhiwo esifumanekileyo. Ngokomzekelo, amathambo aphantsi kwaye avulekileyo yeckull adibeneyo. Le ndlela ibizwa ngokuba ngumthungo. Olu qhagamshelo luvumela ukudala ukhuseleko oluthembekileyo kwingqondo. Iintlobo ezahlukeneyo zamathambo ezihlunu ziyahluka kwiimpawu zazo. Ngokomzekelo, i-elbow, i-radial kunye nedolo lihamba ngokugqibeleleyo. Olu xhumo oluhambayo lunikeza umsebenzi oyintloko wesi sakhiwo. Iquke ekuqinisekiseni ukuhamba kwamalungu ngamnye kunye namagulane ngokubanzi. Umlenze, oyisakhiwo se-axial yomzimba, isakhiwo esisisigxina. Into enokuthi kukho iindawo ezinobungozi phakathi kwezinto zayo. Isakhiwo esinjalo sihlinzeka ngemali ngexesha lokuhamba.
Ngoko ke, iintlobo ezisisiseko zamathambo omzimba emzimbeni womzimba zi-tubular, ezifutshane kunye ezibanzi. Ulwahlulo lwazo oluphambili lukwimiba yesakhiwo sangaphakathi, ifom, uhlobo loxhumo kunye nomsebenzi owenziweyo.
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