part_of developmental process process of oogenesis ovarian cycle IDOMAL:0002274 IDOMAL:0002274 In mosquitoes, egg production is a cyclic process. Batches of sister follicles is separate successively from the germania of the many ovarioles, and the follicles of each batch develop synchronously through a sequence of steps until the oocytes they contain are fully formed. The steps from the formation of a batch of mature oocytes constitute an ovarian cycle. The most important developmental events during an ovarian cycle are: (i) differentiation of the oocytes. (ii) reductional division of the oocytes' chromosomes. (iii) Synthesis of RNA by oocytes and nurse cells and its deposition in the ooplasm. (iv)Synthesis of yolk by the fat body and its deposition in the ooplasm. (v)Formation of the chorion. idomal_namespace