yolk gland


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Related to yolk gland: uterus

yolk gland

the gland that produces yolk which is associated with the reproductive system in most animals and provides nutrition for the developing embryo in the egg.
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We show evidence that E2 and BPA are actually involved in the development of yolk glands. These data indicate that these hormone molecules may have various effects in planarians.
After ablation, the ovaries and yolk glands regenerated in the ventral portion of the trunk parts, and testes regenerated in the dorsal side of the trunk parts.
After ablation, the yolk glands of worms treated with E2 or BPS showed a clear difference from those of the controls, but no difference was seen in the other sexual organs.