Cellular Communication Flashcards
What does signaling involve
both extracellular and intracellular molecules attaching to receptors
What is the endocrine system an example of?
a system that uses signaling to control function
How to cells communicate
sending and receiving signals
What are the signals that cells use to communicate
molecules which act on a target cell that have an internal or external receptor for that ligand
What qualify as signaling molecules
chemicals, proteins, lipids, nucleic acids and dissolved gases such as nitric oxide
Where are most receptors found
on the cell surface
Intracellular receptors
cells located within the cell
Endocrine glands
found throughout the body
pituitary gland
major endocrine gland
Where is the pituitary gland located
at the base of the brain below the hypothalamus
What does the hypothalamus regulate
the secretion of pituitary hormones
What does the hypothalamus control
a variety of physiological processes, acting in many different organs of the body
What 6 physiological processes are controlled by the hypothalamus
growth reproduction water retention breast development metabolic rate stress response
