Year: 2015, Issue: June

Aspects of oocyte maturation and vitellogenesis in ticks Argas persicus and Riphicephalus sangunieus.
Author:
Haninder Maini
Keyword:
Cuticle, Funicular cells, Oocyte maturation, Vitellogenesis, Polar bodies.
Oocyte growth and development are the results of serially related events. The main growth phase of female ovaries and oviducts takes place during the post mating period on the host. It is positively related with the blood meal and maximum egg production is dependent upon full engorgement. During maturation of oocyte, many changes took place but the major change is the accumulation yolk protein or vitellin. The enormous growth of oocyte is linked with their accumulation. In present study role of funicular cells, pedicle, micropyle, sperm penetration in oviduct, polar bodies, vitelline envelope formation, vitellin and follicle resorption bodies is discussed. The nuclear position and its fragmentation is also discussed. As ticks are vector of various diseases, it is significant to study the oogenesis and oocyte maturation processes in these ticks commonly found in domestic and street dogs and poultry birds

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