Q. Identify the correct statement on ‘inhibin’ :
(a) inhibits the secretion of LH, FSH and prolactin
(b) is produced by granulose cells in ovary and inhibits the secretion of FSH
(c) is produced by granulose cells in ovary and inhibits the secretion of LH.
(d) is produced by nurse cells in testes and inhibits the secretion of LH.
Solution :
Correct option : B
FSH and LH act on specific membrane receptors in granulosa cells and theca cells of the ovary, stimulating follicular growth and hormone synthesis. The peptide hormone inhibin is synthesized and secreted by granulosa cells and specifically inhibits FSH synthesis and secretion by the pituitary. So, the correct option is “is produced by granulosa cells in ovary and inhibits the secretion of FSH”.
