ovariole
Quick Summary
An ovariole is a tube that is part of the ovaries in most insects. Each insect ovary is composed of multiple ovarioles. Within an ovariole, undifferentiated cells called the germarium produce oocytes, nurse cells, and follicular cells. Nurse cells nourish the developing oocytes, while follicular cells provide materials for yolk formation and lay down the eggshell. As the oocyte grows into a mature egg, the ovarial follicles progressively increase in size. The ovarioles converge to form oviducts, which unite into a common oviduct for the discharge of eggs.12
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