Which endocrine structure is formed after ovulation?

The second maturation division of the mammalian ovum occurs:

$A$ temporary endocrine gland formed after ovulation in the ovary is:

Identify the Graafian follicle from the given options.

Provide a schematic labelled diagram to represent oogenesis.

Androgen binding protein,which helps in concentrating testosterone in the seminiferous tubule,and which inhibits $ICSH$ secreted by the anterior pituitary and $GnRH$ production by the hypothalamus,is secreted by: