Anatomy 2 Endo 18.5

  1. During the short busts of hormones releasing, how much secretion is there?
    little to none
  2. When will an endocrine gland release its hormone in more frequent bursts?
    When stimulated
  3. What happens during the absence of stimulation of hormones?
    The blood level of the hormone decreases.
  4. What is hormone secretion regulated by? (3 things)
    1. Signals from the nervous system

    2. chemical changes in the blood

    3. other hormones
  5. Most hormonal regulatory ststems work via negative feedback, but a few operate via...
    positive feedback
  6. What, for many years, was called the "master" endocrine gland & why?
    The pituitary gland because it secretes several hormones that control other endocrine glands
  7. Not the pituitary gland, but the ___ is the "master" endocrine gland?
  8. Where is the major link between the nervous and endocrine systems?
    The hypothalamus--the small region of the brain below the thalamus.
  9. How many different hormones does the hypothalamus synthesize?, pituitary gland?

  10. Together the hypothalamus and pituitary gland play important roles in the regulation of virtually all aspects of what?
    growth, development, metabolism and homeostasis
  11. The pituitary gland is a pea-shaped structure that lies where?
    In the hypophyseal fossa of the sella turcica of the sphenoid bone.
  12. How does the pituitary gland attach?
    It attaches to the hypothalamus by a stalk, the infundibulum.
  13. What are the 2 anatomically and functionally seperate portions of the pituitary gland called?
    the anterior pituitary and the posterior pituitary.
Card Set
Anatomy 2 Endo 18.5
Endocrine system