牦牛和柴达木黄牛的颈动脉体Ⅰ型细胞线粒体和电子致密核心囊泡的体视学比较

doi:10.11843/j.issn.0366-6964.2016.07.022

Abstract

Abstract:

The aim of the present study was to compare the stereology characteristics of mitochondria and electron dense-cored vesicles (EDCVs) of carotid body(CB) type Ⅰ cells between yaks and Qaidam yellow cattle.In this study，the ultrastructures of CB in health adult yaks (n=5) and Qaidam yellow cattle (n=5) at altitude of 3 200 m were observed by electron transmission microscopy technique，and the volume density (Vν)，surface density (Sν)，numerical density on area (NA) and specific surface (δ) of mitochondria and EDCV of CB type Ⅰ cells between yaks and Qaidam yellow cattle were compared by stereology.The results showed that the CB parenchyma cells were composed of type Ⅰ cells with many mitochondria and EDCVs in the cytoplasm and type Ⅱ cells in yaks and Qaidam yellow cattle，The Vν of mitochondria of CB type Ⅰ cells in yaks were greater than that of in Qaidam yellow cattle (P>0.05)，the Sν，NA，δ were less than that of in Qaidam yellow cattles，with no significant difference in Sν and δ between yaks and Qaidam yellow cattle (P>0.05) and significant difference in NA between 2 gropes（P<0.05）；The Vν of EDCV of CB type Ⅰ cells in yaks were less than that of in Qaidam yellow cattle (P>0.05)，and the Sν，NA，δ were slightly greater than that of in Qaidam yellow cattle (P>0.05)，respectively.The results suggest that the structure characteristics may make the yak was more insensive to perceive hypoxia environment than the Qaidam yellow cattle.

CLC Number:

S852.16

CHANG Lan，ZHANG Shou，LEI Nai-hu，SHANG Guo-ma. Stereologic Study on Mitochondria and Electron Dense-cored Vesicles of Carotid Body Type Ⅰ Cells between Yak and Qaidam Yellow Cattle[J]. ACTA VETERINARIA ET ZOOTECHNICA SINICA, 2016, 47(7): 1474-1479.

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References

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Stereologic Study on Mitochondria and Electron Dense-cored Vesicles of Carotid Body Type Ⅰ Cells between Yak and Qaidam Yellow Cattle

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