Studies on sex reversal in amblystoma. I. Bisexuality and sex reversal in larval males uninfluenced by ovarian hormones

1929 ◽  
Vol 42 (2) ◽  
pp. 119-154 ◽  
Author(s):  
R. R. Humphrey
Keyword(s):  
Ovarian Hormones ◽  
Sex Reversal

Changes in Platelet Aggregability after Ovariectomy

1979 ◽  
Vol 42 (04) ◽  
pp. 1332-1339 ◽  
Author(s):  
Hiroh Yamazaki ◽  
Takeshi Motomiya ◽  
Minoru Sonoda ◽  
Noboru Miyagawa
Keyword(s):  
Platelet Count ◽  
Platelet Activation ◽  
Ovarian Hormones ◽  
Control Group ◽  
Platelet Aggregability ◽  
Appearance Rate ◽  
Before And After ◽  
The Difference ◽  
Induced Aggregation ◽  
Observation Period

SummaryChanges in platelets in 48 patients with uterine myoma before and after hysterectomy with and without ovariectomy were examined. Bilateral ovariectomy in 25 cases (ovariec-tomized group) and unilateral or non-ovariectomy in 23 cases (control group) were performed at the hysterectomy. Platelet count and an appearance rate of secondary aggregation decreased at one day after and increased at one week after the operation, similarly in both the ovariectomized and the control group. The appearance rate of secondary aggregation was reflected in an intensity of aggregation at 5 min after the addition of reagent to PRP. At one month after the operation, the appearance rate of secondary aggregation induced by 3 μM ADP showed a statistically significant decrease in comparison with the preoperation value (P <0.05) and the enhancement of 5-min aggregation was still observed in the control group, while ceased in the ovariectomized group. The difference between the two groups was significant (P < 0.05). There was almost no change in the speed and intensity of primary and secondary aggregation during the observation period. No significant differences in collagen-induced aggregation were noted between the two groups. The results suggest that ovarian hormones, mainly estrogen, facilitate platelet activation which is mediated by the so-called secondary aggregation.

scholarly journals Nonsteroid Ovarian Hormones

1960 ◽  
Vol 235 (8) ◽  
pp. 2267-2271
Author(s):  
Edward H. Frieden ◽  
Naomi R. Stone ◽  
Noel W. Layman
Keyword(s):  
Ovarian Hormones

scholarly journals Massive peripheral giant cell granuloma associated with pregnancy

2016 ◽  
Author(s):  
Vikas Jain
Keyword(s):  
Oral Cavity ◽  
Giant Cell ◽  
Ovarian Hormones ◽  
Contributory Factor ◽  
Hormonal Changes ◽  
Giant Cell Granuloma ◽  
Young Females ◽  
Peripheral Giant Cell Granuloma ◽  
Nodular Lesions

Peripheral giant cell granuloma (PGCG) is a relatively Common reactive exophytic lesion of the oral cavity. The influence of hormones has been suggested as contributory factor in PGCG development and predominance of these lesions in young females as well as some previously reported pregnancy related cases support this belief. It has been observed that majority of lesions present in the 4th decade of life, when hormonal changes are more pronounced. Cailluette and Mattar in their study found that peripheral giant cell granuloma are under the influence of the ovarian hormones. However Chambers and Spector suggested peripheral giant cell granuloma to be enhanced by pregnancy rather than being pregnancy dependent. The responsiveness of gingiva to these hormones along with the immunosuppressive actions of the hormones contributes to the growth of the lesion. Clinically, PGCGs may present as polypoid or nodular lesions, predominantly bluish red with a smooth shiny or mamillated surface.This poster will review the literature available on the association of Massive Peripheral Giant Cell Granuloma With Pregnancy with focus on possible causes of PGCG during pregnancy.

Sign in / Sign up

Export Citation Format

Share Document