Tsarin kashin doki

Tsarin dawakai na Bony

Sakamakon juyin halitta tsarin kashi na dawakai An sami wasu canje-canje. Wadannan canje-canjen galibi ana ganinsu a cikin tsafinsu, yana haifar da rage yatsu zuwa ɗaya kawai wanda ke kewaye da wani abin tsoro wanda aka sani da hular kwano ko gilashi.

A gefen gaba, ulna da radius sun haɗu, suna haifar da ƙashi ɗaya, daidai yake da tibia da fibula, yana hana hannaye da ƙafafuwa juyawa ta gefe.

A halin yanzu kasusuwa na kawunan dawakan sun fi tsayi kuma suna da fuskar da ta ninka tsawon kwanyar. Hakanan an kara tsawon muƙamuƙin, tare da faɗi da faɗi a cikin ƙananan ɓangaren yankin na baya.

Dawakai suna da mafi ƙarancin haƙoran 36 wanda 12 daga cikinsu raɗaɗɗu ne, 24 kuma na malar. Spinalungiyar kashin ku ta kasance ta 51 vertebrae.

Kwarangwal din doki ya kunshi kasusuwa 210, Wannan kwarangwal din ya cika aikin kasancewa goyon bayan tsokoki, kare gabobin ciki da kuma barin motsi ta yadda zai iya daidaita saurin daban.

Juyin halittar kwarangwal din doki

An daidaita kwarangwal don gamsar da ayyuka daban-daban.

Dawakai, kamar sauran dabbobi, sun samo asali cikin tarihinta, shi yana nuna cewa tsarin ƙashinku yana canzawa. Wadannan canje-canjen ana iya ganin su galibi a cikin iyakokin equines, kodayake ana gano su a wasu sassan kwarangwal.

Saboda zaman gidan su da ayyukan da mutane suka ba su, dawakai na iya yin rauni a matakin muscular ko ƙashi, saboda haka yana da mahimmanci a san yadda jikinku yake kuma waɗanne ɓangarori ne suke da saurin rauni, don haka ku guje shi A hanya mai sauki.

Idan kana son karin bayani game da cigaban kashin kasusuwa, ci gaba da karantawa zamu gaya maka game dashi a kasa.

Jikin equines ya kasu kashi biyu: kai, wuya, gangar jiki da tsaurara matakai.

A cikin duka kwarangwal din dawakai ya kunshi kasusuwa kusan 210 kuma kashin baya yana hade da 51 kashin baya. Daga cikin kashin baya, 7 mahaifa ne, 18 thoracic, 6 lumbar da 15 caudal. Kwarangwal yana da aikin tallafawa tsokoki, tare da kare gabobin ciki da barin motsi don su iya daidaita saurin daban.

Source: wikipedia

Gaskiyar gaskiyar shine kwarangwal din dawakai bashi da kwalliya. Maimakon haka, yankin na gaban goshin yana haɗe da kashin baya ta tsokoki, jijiyoyi da jijiyoyi.

Gabobin dawakai

Mun yi sharhi cewa tsauraran matakai sun sami canje-canje mafi girma, wannan ya bayyana a ƙafafun gaba inda ulna da radius sun haɗu cikin ƙashi ɗaya. Hakanan yayi daidai da tibia da fibula. A yanayi na karshe, haduwar wadannan kasusuwa yana hana sinadarai juya hannuwansu da kafafunsu a kaikaice. Da yake magana game da hannaye da ƙafa an rage yatsu zuwa guda daya wanda ke zagaye da kayan masarufi ake kira kwalkwali ko gilashi.

Abubuwan da ke gaba sune waɗanda ke ɗaukar yawancin nauyin dokin.

Kan dawakai

Kan yana ɗayan sassa mafi saurin bayyana dawakai kuma shima wani ɓangaren kasusuwa ne waɗanda suka canza. A halin yanzu, kashin da ke yin kan doki ya fi tsayi kuma suna da fuskar da tsayin ta ya ninka tsawon kasusuwan kashin kai. An kuma tsawaita muƙamuƙi, tare da shimfiɗa mai faɗi da kuma shimfidawa a cikin ƙananan ɓangaren yanki na baya.

Kan ya kunshi:

  • Gaba.
  • - Ternilla, wanda shine elongated da tsayayyen yanki tsakanin idanu.
  • Chamfer, bangaren dogaye zuwa ga maraki wanda yake kan iyaka ido da hancin hancin.
  • Basins ko fossae na lokaci, su ne ɓacin rai guda biyu da ake samu a kowane gefen girare.
  • Gidaje.
  • Eyes.
  • Kusa
  • Barba, wani sashi na sasannin lebe.
  • belfos, karamin lebe Yanki ne mai matukar mahimmanci.
  • Muƙamuƙi, Arangaren gefen muƙamuƙi na farji.

A cikin bakin, dawakai suna da mafi karancin hakora 36 wadanda 12 daga cikinsu mahaukata ne, 24 kuma zafin nama ne.

Wuyan dawakai

Wuyan farjin yana siffar trapezoidal, tare da siraran siradi a mahadar tare da kai da fadi a gangar jikin.

Wuya yana da aiki mai mahimmanci tunda shiga tsakani a cikin ma'aunin equines.

Bangaren da manes suke haduwa na iya zama madaidaiciya, concave ko convex dangane da nau'in equine. Gaskiyar lamari game da namiji shine cewa sun fi maza yawa fiye da mata.

A akwati na equines

Ba wai kawai yanki mafi girma na yanayin halittar jikin mutum ba ne, amma kuma bayar da wasu halaye ko wasu ga dawakai dangane da yanayin su da kuma corpulence.

Yankin thoracic vertebral wanda yayi daidai da yankin bushewa da baya, da kuma yankin lumbar wanda yayi daidai da ƙarshen baya da kuma gindi, wataƙila za su ɗan sami ɓarna saboda yanki ne da aka sanya sirdin. 

Hakanan yanki na haɗin kafada yana iya zama rauni koyaushe a cikin jacks masu tsalle

Es yana da mahimmanci cewa mahayi yana taɓa yankin kashin baya akai-akai don tantance yiwuwar rashin jin daɗi a cikin dabba kuma ana iya magance su a kan lokaci.

Don kauce wa rauni, mahayin ya kamata ya guji hawa kai tsaye a kan dokin da zarar sun bar barga, saboda an ɗora nauyi mai nauyi a kansu.

An raba gangar jikin zuwa sassa da dama:

  • Cruz, mai girma da murdadden yanki a karshen wuya. Wannan yankin ne yake auna tsayin dawakan.
  • Baya, yana iyaka da gicciye a gaba, tare da tarnaƙi a gefuna kuma tare da kashin baya a baya.
  • Loin, yankin koda.
  • kungiyar, yanki na ƙarshe na baya wanda ke iyaka da jela.
  • Cola.
  • Bazara, gefen kursiyin.
  • Chest.
  • GirthYana iyaka a gaba tare da hamata da baya tare da ciki.
  • Ciki.
  • Bangarori.
  • 'Yan banga ko gefuna, a kan ciki, kafin ƙwanƙwasawa.

Kamar yadda muke gani, kwarangwal yana canzawa, amma me yasa waɗannan canje-canje suke? dawakai suna daidaitawa don gamsar da ayyuka daban-daban.

Dole ne a yi la'akari da cewa dangane da jinsi akwai yiwuwar samun wasu bambance-bambancen a wasu yankuna na jikin mutum.


Abubuwan da ke cikin labarin suna bin ka'idodinmu na ka'idojin edita. Don yin rahoton kuskure danna a nan.

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