The Endocrine System-note 10

Question 1

Hormones

Answer 1

Chemical messenger that acts on target cells

Question 2

Steroid hormone

Answer 2

• carried in blood and released in vicinity of target cells
• ex. Estrogen and testosterone ( stimulates liver to convert amino acids to glucose)
• binds to receptors in cytoplasm

Question 3

Function of endocrine system

Answer 3

Glands that produce and secrete hormones (chemical messenger)

Involved in maintaining homeostasis

Question 4

Protein hormones

Answer 4

• made of chains of amino acids
• help activate enzymes
• include insulin and growth hormones
• bind to receptors on cell membrane

Question 5

Pituitary gland. Location?

Answer 5

• Base on brain
• pituitary stalk (infundibulum ) attaches to the hypothalamus
• consists of anterior pituitary and posterior pituitary

Question 6

Role of posterior lobe of pituitary gland?

Answer 6

Stores and releases hormones (ADH, oxytocin) synthesized in the hypothalamus

Question 7

Anterior lobe function? Pituitary gland.

Answer 7

Produces own hormones

-hormone release regulated by hypothalamus