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Effects of Steroid Hormone in Avian Follicles
Preovulatory Follicles Steroids Hormone Granulosa Theca Internal and External Cells
2016/5/20
The aim of the present study was to examine the effects of testosterone (T) and estradiol-17β (E2) on the production of progesterone (P4) by granulosa cells, and of the E2 on the production of P4 and ...
Steroid effects on the in vitro LH secretion from pituitary cells of sexually immature carp (Cyprinus carpio L.) under the influence of naltrexone and morphine
common carp in vitro LH secretion morphine naltrexone sex steroids
2015/6/8
Dispersed cells from sexually immature carp (footlings) pituitaries were exposed to estradiol (E2) or testosterone (T) (both at 3 × 10–8 M) in the presence of opioid receptor antagonist naltrexone (10...
Corpus luteum development and its morphology after aspiration of a preovulatory follicle is related to size and steroid content of the follicle in dairy cows
post-partum period ultrasound fertility progesterone oestradiol follicle fluid
2015/4/17
Secretion of adequate levels of progesterone from a proper corpus luteum (CL), which develops out of the cells of a healthy preovulatory follicle, is a key-factor for establishment of a pregnancy. The...
Feeding Effect of an Anabolic Steroid, Nandrolone, on the Male Rat Testis
Nandrolone Testis Steroidogenic Enzymes Testosterone Fertility
2016/5/5
Nandrolone, 19-nortestosterone, is a synthetic androgenic-anabolic steroid promoting muscle growth. Nandrolone is also present in pig meat and sera at non-negligible levels. A number of scientific rep...