新生荷斯坦犊牛心脏右心室的解剖学观测

Observation of anatomy of ventriculus dexter in heart in Holstan newborn calf

对新生荷斯坦犊牛心脏右心室结构进行了观测。结果 :右心室内除室上嵴外均有发达肉柱分布 ;肺动脉半月瓣结呈短柱状 ,出现率为 62 % ;流入道、流出道长度分别为 ( 5 46± 0 5 6)cm和 ( 6 98± 0 90 )cm ,厚度分别为 ( 0 96± 0 1 0 )cm和 ( 1 0 8± 0 1 2 )cm ;右房室口、肺动脉口纤维环周径为 ( 5 5 3± 0 74)cm和 ( 4 49± 0 5 3)cm。

The structure of ventriculus dexter was observed in Holstan newborn calf.The results showed:In the vertriculus dexter,excepted crista superaventricularis there are developed trabeculae carneae distributed,the nodulus valvula semilunaris of arteriae pulmonalis presents short-pillar shape,the rate of emergence was 62%,the lengths of inflow tract and outflow tract were (5.46±0.56)cm and (6.98±0.90)cm resp,the thichness of inflow tract and outflow tract were (0.96±0.10)cm and (1.08±0.12)cm resp;the cricumtrference of annulus fibrosis of ostium atrioventriculare dextrum and ostium arteriae pulmonalis were (5.53±0.74)cm and (4.49±0.53)cm resp.