Chapter 45 Main Concepts

1
Chapter 45 - Main Concepts

• Hormone binding to specific receptors triggers
  signaling mechanisms at the cellular level.
• Many chemical signals are relayed and amplified
  by second messengers and protein kinases.
• Invertebrate control systems often integrate
  endocrine and nervous system functions.

2
Main Concepts

• The hypothalamus and pituitary integrate many
  functions of the vertebrate endocrine system.
• The vertebrate endocrine system coordinates
  homeostasis and regulates growth, development,
  and reproduction.
• The endocrine system and the nervous system are
  structurally, chemically and functionally related.

3
Points to Know

• What are hormones?
• How do steroid hormones cause gene expression?
• What are some hormones produced in the
  hypothalamus and pituitary glands and what do
  they do?

4
Points to Know

• How does the body regulate glucose levels through
  insulin and glucagon.
• What is the fight or flight syndrome?
• How are the endocrine and nervous systems
  structurally, chemically and functionally related?