Digitale Medien
Springer
Histochemistry and cell biology
45 (1975), S. 191-201
ISSN:
1432-119X
Quelle:
Springer Online Journal Archives 1860-2000
Thema:
Biologie
,
Medizin
Notizen:
Summary The corpus luteum periodicum (c.l.p.) of the bitch was studied using enzyme histochemistry, clinical and biochemical methods. Assessment of variations of the serum progesterone level during different stages of the ovarian cycle and the study of enzymatic activity of the luteal tissue furnished informations on vitality and biosynthetic capacity of luteinizing cells: The period of functional activity of the c.l.p. nearly ceased about day 60 of the cycle (proestrus included) in the animals examined. In the light microscope the neo-synthesis of progesterone in the c.l.-tissue can be made visible by histochemical demonstration of the activity of Delta5-3 beta-hydroxysteroiddehydrogenase (3 beta-HSD) only up to a progesterone level exceeding 6.7 ng/ml plasma. The data obtained contribute to our baseline knowledge of the mechanism involved in the etiology of pseudopregnancylike conditions in the bitch.
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1007/BF00507694
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