A study of the central cavity in the bovine corpus luteum

摘要: Seven hundred and six bovine corpora lutea in various luteal stages were examined morphologically endocrinologically to discover whether there is a relationship between the presence of central cavity corpus luteum infertility cows. A was found 42.1 per cent (80/190) developing lutea, 33.7 (126/374) fully developed 11.1 (7/63) regression 5.1 (4/79) pregnancy. There no significant difference rates appearance midcycle follicles either with or without cavity. The proportion cell type 1 higher than without, but reverse 2. In concentration progesterone tissue significantly These results suggest that are some differences function cavity, cannot be described as pathological condition.