What is the function of $MSH$ produced by the pars intermedia in lower vertebrates?

Which of the following is incorrect with respect to neurohypophysis?

Acromegaly is due to hypersecretion of a hormone secreted from

$ADH$ is secreted by:

From which part of the pituitary gland is $MSH$ secreted in humans?

Select the correct option for each statement:
$(1)$ Hormones are non-nutrient/nutrient chemicals which act as intercellular messengers and are produced in trace amounts.
$(2)$ The posterior pituitary gland is under the direct neural/endocrine regulation of the hypothalamus.
$(3)$ The hormone produced by the posterior pituitary gland is oxytocin/prolactin.