American alligator (Alligator mississippiensis) ovary development is incomplete at hatching. During the months following hatching, the cortical processes of oogenesis started in ovo continues and folliculogenesis is ...

The rainbow trout, Oncorhynchus mykiss (Walbaum, 1792), is a salmoniform fish that spawns once per year. Ripe females that had ovulated naturally, and those induced to ovulate using salmon gonadotropin-releasing hormone, ...

Progesterone participates in the regulation of several functions in chicks such as ovulation, gonadal differentiation, and sexual and nesting behaviors. Many progesterone actions are mediated by specific intracellular ...

We evaluated by immunohistochemistry the expression of progesterone receptor (PR) isoforms in different cell subpopulations of the ovary of newly-hatched chicks after a treatment with Follicle-stimulating hormone (FSH) or ...