( a ) acts at the anterior pituitary gland and stimulates secretion of follicle stimulating hormone (FSH)
( b ) acts at the posterior pituitary gland and stimulates secretion of follicle stimulating hormone (FSH)
( c ) acts at the anterior pituitary gland and stimulates secretion of luteinising hormone (LH)
( d ) acts at the anterior pituitary gland and stimulates secretion of luteinising hormone (LH) and follicle stimulating hormone (FSH)