scholarly journals Transfer into Fetues of 59Fe-sodium Ferrous Citrate and 59Fe-ferrous Sulfate in Pregnant Rats.

1995 ◽  
Vol 10 (6) ◽  
pp. 830-836
Author(s):  
Toshihiko ARIYOSHI ◽  
Koji ARIZONO ◽  
Toyonari UEDA ◽  
Toru HORIE
1987 ◽  
Vol 2 (1) ◽  
pp. 3-10
Author(s):  
Toshihiko ARIYOSHI ◽  
Koji ARIZONO ◽  
Koji IRISHIO ◽  
Eiji OKANARI ◽  
Tohru HORIE

2019 ◽  
Vol 92 (4) ◽  
pp. 180-189
Author(s):  
Shigehisa Koide ◽  
Daijo Inaguma ◽  
Eri Koshi-Ito ◽  
Kazuo Takahashi ◽  
Hiroki Hayashi ◽  
...  

Author(s):  
R. A. Turner ◽  
A. E. Rodin ◽  
D. K. Roberts

There have been many reports which establish a relationship between the pineal and sexual structures, including gonadal hypertrophy after pinealectomy, and gonadal atrophy after injection of pineal homogenates or of melatonin. In order to further delineate this relationship the pineals from 5 groups of female rats were studied by electron microscopy:ControlsPregnant ratsAfter 4 weekly injections of 0.1 mg. estradiol benzoate.After 8 daily injections of 150 mcgm. melatonin (pineal hormone).After 8 daily injections of 3 mg. serotonin (melatonin precursor).No ultrastructural differences were evident between the control, and the pregnancy and melatonin groups. However, the estradiol injected animals exhibited a marked increase in the amount and size of rough endoplasmic reticulum within the pineal cells.


Planta Medica ◽  
2011 ◽  
Vol 77 (12) ◽  
Author(s):  
F Namjooyan ◽  
M Panahi ◽  
F Ahmadpour ◽  
A Darvish ◽  
M Azemi ◽  
...  

1953 ◽  
Vol 14 (2) ◽  
pp. 181-188 ◽  
Author(s):  
Bengt Engfeldt ◽  
Gösta T. Hultquist

1964 ◽  
Vol 45 (4_Suppl) ◽  
pp. S139-S153 ◽  
Author(s):  
K. Junkmann ◽  
F. Neumann

ABSTRACT Experiments are described dealing with the mechanism of action of 6-chloro-Δ6-1,2α-methylene-17α-hydroxyprogesterone-acetate with regard to its anti-masculine effect on male rat foetuses, when administered to pregnant rats. It was shown that a marked direct anti-androgenic effect due to a competitive action on androgen receptors within the target organs, is probably the explanation of the mechanism of action. It was further shown that an oestrogenic effect or an appreciable inhibition of the pituitary gland respectively, can be ruled out as causative factors in the mechanism of action.


1966 ◽  
Vol 53 (4) ◽  
pp. 547-552 ◽  
Author(s):  
C. Göran Hansson ◽  
Lennart Angervall
Keyword(s):  

ABSTRACT Geometrically increasing doses of cortisone (0.5, 1.5 and 4.5 mg twice daily) were injected into pregnant rats, and the volume, nuclear diameters and mitotic rate of the maternal parathyroids as well as the parathyroid volume and mitotic rate in the foetuses were determined. The nuclear diameters were if anything smaller and the mitotic rate tended to decrease in the cortisone treated groups. There were no significant differences between the parathyroid volumes of the foetuses in the control and cortisone-treated groups. Thus, it seems that the development of the rat foetal parathyroids and the morphology of the maternal parathyroids are little affected if at all, by cortisone.


1968 ◽  
Vol 59 (2) ◽  
pp. 227-234 ◽  
Author(s):  
H. C. Moore ◽  
I. Cserhati ◽  
F. P. Biliczki

ABSTRACT Experimental deciduomata and progesterone together lower the blood pressure in the steroid hypertensive rat from the 5th to 10th day of decidual growth i. e. from the 10th to 15th day of pseudopregnancy. This would suggest that the fall of blood pressure at an equivalent time of gestation in hypertensive pregnant rats could be due to the maternal decidua under the influence of progesterone. It is further considered that the metrial gland of the deciduoma is more likely to be responsible for the hypotensive effect and by comparison that the metrial gland is implicated in the hypotensive effect of pregnancy. Progesterone alone also exerts a minor hypotensive effect in those animals in which a nephrectomy forms part of the hypertension regimen and indicates one way in which a maternal renal factor could influence blood pressure responses in hypertensive pregnant rats.


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