Formation, Sayniska
Nidaamka muruqyada ee Shimbiraha
Shimbiraha - waa xayawaanka aan kaliya u guuraan dhulka, laakiin sidoo kale qaaday in ay hawada, duulaya oo cirka jooga. Sidaa darteed, iyada oo sababtu tahay horumarka evolutionary isbeddelka lagu arkay baaxada iyo qaabka jirkooda. Sayidka tegey raasamaal xaydha - xadad, hoos khilaaf inta lagu guda jiro mooshinka, dhiso mass muruqa. Si kastaba ha ahaatee kala duwanaayeen ay lafaha iyo muruqyada, i.e. nidaamka muruqyada ee Shimbiraha.
Siyaabo badan waxa la mid ah sida in nuujiya waa. Nidaamka muruqyada ka kooban yahay shimbir ee lafaha, ka axial dhakada, garabka iyo dhudhun lafaha, scapula ah, araxda thoracic, miskaha iyo bawdada, iwm
Isla mar ahaantaana, waa arrin ka duwan yahay nidaamka muruqyada ee nuujiya. Tusaale ahaan, madaxa shimbir yar yahay, maxaa yeelay, oo dhan lafaha cranial wada koray, oo tiradoodu ayaa hoos u dhacay. dhakada waa fududdahay ay sabab u tahay xaqiiqada ah in lafaha yihiin inta badan godan oo ay leeyihiin af dhuuban a mid lamafilaan ah, kaas oo la daboolay by kaliya ded ah horny. Shimbiraha aan haysan qallooca laf sida nin ka. Naasaha cell "aadanaha" la ballaariyo, iyo xayawaanka iyo shimbiraha waa la Tifaftirayaasha ka kooxood.
waaxda lafaha shimbir Makaanka wakiil 11-25 araxda free, laakiin araxda ee thoracic si adag addoonsi midba midka kale iyo waqti isku mid ah leh araxda ee lumbar ah waaxda. qeybta sacral biireen oo suun oo ka mid ah addimada cawl, iyo sameeyay dabanicis.
Waxaa jira farqi u lafaha wajiga, iyo in aag oo ka mid ah addimada iyo naftooda addimada ah. Tusaale ahaan, shimbiraha oo kaliya ay leeyihiin ay guushu ku - farac carjawda, kaas oo la sameeyay inta lagu guda jiro accretion of kalxanta in ay sternum ka. At shimbirro duulaya sternum horumariyo si adag oo ku filan, oo ay guushu ku - ballaaran.
Nidaamka muruqyada waxaa ka mid ah shimbiraha lugaha cawl, kuwaas oo laba weyn, xoog lafaha miskaha dhisnayd la dabanicis adag. Iyo sida shimbir Wadda laba lugood, dabanicis laftiisa aad u xoog badan. dabanicis waxaa la aasaasay by sacral dhisnayd, lumbar, araxda caudal, sidaas darteed waxay u malaynayaan in shimbiraha lumbar halkaas.
Qalfoofkii lafaha haad oo kala duwan ka xayawaankii kale ee in ay tahay raagaya iyo miisaanka yar. Taana waxaa lagu gaarayaa, marka hore, maxaa yeelay, lafihii embriyaha ee Shimbiraha. Marka labaad, istareexsan ee lafta afka sharxay. Sidaa darteed digaaga mass lafaha meel 5 -15% waa miisaan, ay jidhka. Marka laga reebo dhabarta afka ilmo-galeenka, Immobile ee dhabarta oo dhan.
Sida lugaha hore ay sabab u tahay horumar galay baal jeestay, burush la dhowaad ma horumariyo. Laakiin Shimbiraha oo si fiican u duuli, badan muruqyada pectoral ka samaysan meel 15-20% of mass ah, oo ay heshiis gaar ah kordhinayaan in xasiloonida ee Shimbiraha hawada.
Taagan ka hooseysa heerka horumarka badan shimbiraha iyo nuujiya, waa fasalka ee xamaarato. jirka xamaarato A ka kooban yahay madaxa, Luqunta, jirridda iyo jirka, marka laga reebo masaska iyo mulacyada legless, kuwaas oo loo diiday, addimada. By la dhiso nidaamka muruqyada ku dhow yahay inuu ku lafdhabarka gurguurta, laakiin iyaga ka duwan, ayaa lafaha adag. Qaab dhismeedka More horusocod ah oo ka mid ah lafaha iyo muruqyada xoolaha goostay ay dhaqdhaqaaqa. lafaha ee xamaarato, iyo sidoo kale nidaamka muruqyada ee Shimbiraha, sidoo kale, waxay ka kooban oo ka mid ah afka ilmo-galeenka, thoracic, sacral iyo gobolka caudal. geesaha Long xiran naaska, thorax iyo sameeyay.
Xamaarato, ka duwan xayawaanka kale, waxay leeyihiin muruqyada ah dissected, gaar ahaan, muruqyada intercostal. Waxay qabsato kartaa mugga ay xabadka, cadaadin iyo waxa ballaariyo, sidaas dhigeyno habka ee neefsashada. Tan iyo xamaarato feeraha soo afjaro lacag la'aan ah, waxaa u ogolaanaya inay ka liqi hadhuudh ah halkii ballaaran. Ka waraabin jireen horumariyo qaybta caudal.
Gebogebadii, waxa laga yaabaa in la ogaadaa in Qalfoofkii xoolaha leeyihiin sifooyinka kala, laakiin qabtaan hawlo la mid ah. Waxay u adeegaan sida jidhka taageero ah, ka ilaaliya xubnaha gudaha, iyo kaa caawiyaan in aad maraan hareeraha meel nool.
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