Hypothalamus & Pituitary Gland

Question 1

Pituitary gland

Answer 1

used to be called “master” endocrine gland because it secretes several hormones that control other endocrine glands. Secretes seven different hormones.

Question 2

Hypothalamus

Answer 2

The “master” of the pituitary gland, a small region of the brain below the thalamus is a major link between the nervous and endocrine systems. synthesize at least nine different hormones.

Question 3

Structure of pituitary gland

Answer 3

A pea shaped structure that is measured by 1-1.5 cm in diameter and lies in the hypophyseal fossa or sella turcica of sphenoid bone. Attaches to the hypo by a stalk called infundibulum.

Question 4

Portions of pituitary gland

Answer 4

1. anterior pituitary 75%
   
   • Pars distalis, pars tuberalis.
2. Posterior pituitary composed of neural tissue
   
   • Pars nervosa
   • infundibulum
3. Pars intermedia

Question 5

Neurosecretory cells

Answer 5

Synthesize the hypothalamic releasing and inhibiting hormones in their cell bodies and package the hormones inside vesicles, which read the axon terminals by axonal transport.