Question

antidiuretic hormone
where is antidiuretic hormone (adh, or vasopressin) made?
posterior pituitary
hypothalamus
thyroid gland
anterior pituitary

Explanation:

Antidiuretic hormone (ADH, or vasopressin) is synthesized in the hypothalamus. Neurons in the hypothalamus produce ADH, and then it is transported to the posterior pituitary for storage and release. The posterior pituitary only releases ADH; it is not made there. The thyroid gland produces hormones like thyroxine. The anterior pituitary produces hormones such as growth hormone, luteinizing hormone, etc.

Answer:

Hypothalamus