Oxytocin and antidiuretic hormone are synthesized in the Naim 02:22 AP Biology Chapter 32 Oxytocin and antidiuretic hormone are synthesized in the A) adrenal cortex. B) adenohypophysis. C) hypothalamus. D) posterior pituitary. E) anterior pituitary. Answer: C Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+