The Leydig cells as found in the human body are the secretory source of

Correct Option (d) Reason : Interstitial cells or cells of Leydig are present in the connective tissue lying in between seminiferous tubules. These cells secrete oestradiol-steroid

androgens, e.g. testosterone. Androgens stimulate male characters, influence male sexual behaviour (libido) and regulate the development, maturation and functions of male accessory sex organs.