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Since less than 500 ova are required to insure regularity in the menstrual function, it is clear that, if the surgeon finds it necessary to remove one of the ovaries, the other will provide abundantly for menstruation and for the bearing of children.
It was a very easy matter to trump up testimony, when real evidence was embarrassing, to foregone conclusions; hence pains in obscure and foreign parts took on great importance when analyzed by minds drilled in the science of nervous reflexes, sympathies and metastases. The ovaries had the reputation of causing all the trouble that the flesh of woman was heir to.
These curtains are fringed and folded on the lower edge, so that they look like four ruffled flounces hanging from the lower side of the animal. On the upper side of the body, but alternating in position with these curtains, are the four ovaries, crescent-like in shape, and so placed as to form the figure of a cross, when seen from above through the transparency of the disk.
In view of the unquestionably large number of follicles in very young ovaries, and the relatively small number of ova which reach maturity, the degeneration of many follicles after reaching a certain degree of development seems certain.
It seems as if, once successful impregnation has been achieved, the feminine organism adrenalizes itself, makes itself more masculine and less feminine, inhibiting the posterior pituitary and the adrenal medulla, as well as the ovaries. Besides, the corpus luteum stimulates the thyroid to prepare for the heavy demands to be made upon it during pregnancy.
Holyoke Seminary: "In regard to regular study producing pain, hæmorrhage or irregularity, I do not think these disturbances are caused so much by application to study as by want of care and prudence at the menstrual period, and of fresh air and exercise during the interval. * I think that labor, both mental and physical, should be diminished at the menstrual period, for at this time the ovaries and uterus are intensely engorged, and the nervous system is in an unusually excitable condition.
One of these is to graft ovaries or testes from one animal into another which possesses a certain somatic character, and then to see if the offspring produced from these gonads shows any trace of the character of the foreign soma in which it was nourished. Exper. He grafted the ovaries of two Black Leghorn pullets into two White pullets of the same breed, and vice versa.
Zacutus Lusitanus relates the history of a case of uterine occlusion, with the flow from the lips of the cervix. There is mentioned an instance of menstruation from the labia. The occurrence of menstruation after removal of the uterus or ovaries is frequently reported.
I am quite ready to admit it, so unlikely is it that the bluebottle, who is so rare inside our houses during the severe cold of winter, should be frequent enough outside to form into groups and to do business in common while an icy blast is raging. A belated specimen, the plaything of the north wind, and one alone must have deposited the burden of her ovaries on the owl's eyes.
Next comes the laying; and lastly the orifice is sealed with a mortar plug. A second cell is utilized in the same way, followed by a third and so on, one after the other, as long as any remain unoccupied and the mother's ovaries are not exhausted. Finally, the dome receives, mainly over the apertures already plugged, a coat of plaster which makes the nest look like new.
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