Exact(1)
With respect to the mechanism causing this bias, this is consistent with the suggestion by Emlen (1997), that especially in species with small clutch sizes (such as pigeons), the sex of the first egg can be manipulated by the mother, for instance, by means of aborting the follicle bearing the unwanted sex.
Similar(58)
We also weighed the ovaries (without the larger follicles (>6 mm)) to the nearest 0.001 g to explore potential outcomes in case the sex of the first egg resulted from aborting a follicle bearing the un-preferred sex: Ovaries might be heavier due to a higher amount of small follicles (in anticipation of repeated abortion) or the surplus remnants of regressed follicles.
The third follicle could act as replacement if the female was to manipulate offspring sex by aborting a follicle of the undesired sex.
In case of bearing the un-preferred sex, the first follicle would be aborted, thereby giving way to the follicle next in the hierarchy (Fig. 1b, d).
Consequently, abortion of a mature follicle just before ovulation will most likely result in delayed clutch initiation (if the first follicle would be aborted) or laying gaps (in case of an intermediate follicle in the size hierarchy) since the follicle following the aborted one would lag behind in development.
As we grow older, human hair follicles begin to produce hydrogen peroxide, blocking the follicle's ability to make melanin, the pigment that gives hair its color.
They gave her hormones that caused the follicle to release the egg into the reproductive tract.
The source compartments for 211At were the follicle lumen, follicle cells and follicle cell nuclei.
211At was homogeneously distributed within the follicle lumens and follicle cells, and the target was the follicle cell nucleus in the single/central follicle.
bRadioiodine homogeneously distributed within the follicle lumens.
cRadioiodine homogeneously distributed within the follicle cells.
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