endocrine system pt 4 Flashcards
Lipid soluble molecule
Has receptors and inside cell
Water soluble molecule
Second messenger, outside cell, g protein
What are mineralocorticoids?
Hormones that regulate electrolyte levels
What are glucocorticoids?
Hormones that regulate blood sugar
What is gonadocorticoids?
Sex hormones; reproduction
What is the 3 layers of adrenal glands?
Zona glomerulosa, zona fasciculata, zona reticularis
What is zona glomerulosa?
Thin, outer cortical layer
What is zona fasciculata?
Larger, middle cortical layer
What is zona reticularis?
Thin, inner cortical layer
Cortisol levels are regulated by what?
Negative feedback
What does cortisol do?
Causes target cells to increase blood nutrient
What does acinar cells do?
Generates exocrine secretions for digestion
What does pancreatic islets do?
Contain clusters of endocrine cells
Alpha cells secrete
Glucagon
Beta cells secrete
Insulin
What does insulin do?
Taking and storing fats and glycogen
What do chief cells make?
PTH
What does PTH increase?
Blood calcium
What is T-lymphocyte?
King of immune system
What does ANP do?
Lowers blood oxygen
What does EPO do?
Increases red blood cell production
What does angiotensin II help?
Raises blood pressure
Stomach secretes
Gastrin
What does gastrin do?
Increases secretion and motility in stomach for digestion
What does secretin stimulate?
Secretion of bile and pancreas juice
What does CCK stimulate?
Release of bile from gall bladder
What is calcitriol?
Active hormone that raises blood calcium
Adipose connective tissue secretes
Leptin
Leptin controls what?
Appetite by binding to neurons in hypothalamus
