Hormones Flashcards
1
Q
Define hormones
A
Chemical messengers released into the bloodstream, controlling how we respond to changes in the environment
Growth and development, sleep, sexual function, reproduction, metabolism, fluid and electrolyte balance, emotions and mood
2
Q
What is a target cell?
A
Particular cell able to receive and respond to hormone messages
3
Q
What is an endocrine gland?
A
Collections of secretory cells releasing their secretions into the bloodstream
4
Q
What are the 2 types of hormones?
A
Steroid and protein
5
Q
What is a steroid hormone?
A
Derived from cholesterol
Lipid soluble molecules
Interact with cytoplasmic receptors (intercellular receptors)
6
Q
What are protein hormones?
A
Consists of stings of AA
Interact with cell surface receptors
