Scanning electron microscope image showing pearl-like calcium granules (PCGs) accumulated within the lumen of the distal region of the Malpighian tubule in the fruit fly larva. Numerous PCGs, each ...
The endocrine system is the name for the glands that produce hormones in a person’s body. These glands include the thyroid gland, pituitary gland, and adrenal gland. The endocrine system produces ...
DURING the last fifteen years it has been proved that the processes of growth and reproduction in insects are controlled by hormones circulating hi the blood. In some instances the source of these ...
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