The abbreviation $TSH$ stands for

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.

$GnRH$ is a hypothalamic hormone essential for reproduction. It acts on the ....

Gigantism and acromegaly are caused by $..........$.

The accumulation and release centre of pituitary gland hormones is:

The posterior pituitary gland is not a 'true' endocrine gland because