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KMID : 0359319920320030309
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Korean Journal of Veterinary Research
1992 Volume.32 No. 3 p.309 ~ p.319
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A histological study on the development of scapula in the Korean native cattle
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Abstract
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This study was undertaken to establish the sequence of development of ages and its time of the fetal endochondral ossification in the scapula of the Korean native cattle. This study was also designed to confirm through histological observation the earliest stages of bcdh chondrification and ossification. Thirty eight scapulae, a series of embryos and fetuses from the pregnant Korean native cattle ranging from 11 to 110㎜ in crown-rump (C-R) length, were used.
The following results were obtained. The ossification center was observed in the supra- and infra- spinous fossa in the 5th group (CRL 51-60㎜ ), that was markedly ossified in the 6th group (CRL 61∼70㎜) by Alizarin red S stain.
The chondrogenic center of scapula was observed in the lst group (CRL 11∼20㎜). The primary ossification center was presented in the 4th group (CRL 41∼50㎜). In the 5th group(CRL 51∼60㎜), the endochondral ossification progressed actively.
Alcianophility was markedly increased in the interterritorial matrix in the 3rd group (CRL 31∼40㎜). However this reaction was markedly decreased in the interterritodal matrix the adjacent portion to the marrow cavity and trabecula in the 5th group (CRL 51∼60㎜).
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