Question

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

• A. it secretes enzymes
• B. it is provided with a duct
• C. it only stores and releases hormones
• D. it is under the regulation of hypothalamus

Answer 1

The correct option is C it only stores and releases hormones

Endocrine glands are secretory structures that secrete the chemical messengers, called hormones, which affect a wide range of physiological activities of the body.

The posterior pituitary gland (neurohypophysis) is not a 'true' endocrine gland because it does not secrete hormones, rather it only stores and releases two hormones - oxytocin and vasopressin (ADH), which are actually synthesised by the hypothalamus and are transported to the posterior pituitary through hypophyseal portal system.

Hence, option C is correct.