Pancreas lecture 6

where is the Pancreas and what does it contain

Behind stomach

contain pancreatic islets that produce hormones

what are the pancreas’ two major types of cells

Alpha cells produces glucagon synthesizing

beta cells produces insulin synthesizing

Insulin from beta cells lowers blood glucose by

Enhancing transport of glucose into cells

Promotes glycogen formation

Converts glucose to fat.

happens when blood glucose is high

High blood glucose stimulates

insulin release

Glucagon from Alpha cells increase blood glucose by

Breakdown glycogen to glucose (glycogenolysis)

Synthesizing glucose (gluconeogenesis)

low blood glucose stimulates

glucagon release

what is Diabetes Mellitus

Insulin is needed

High blood glucose (no storage)

Type of Diabetes Mellitus

Type 1 = lack of insulin (beta cells destroyed)

Type 2 = Insulin present but has little effect

what are the symptoms of Diabetes mellitus

hypertension

huge urine output (polyuria)

Dehydration and thirst

Excessive hunger

what is gonads

Produce steroid sex hormones (Testosterone and Estrogen and progesterone)

Testosterone is what

Sperm production, sex characteristics, sex drive

What are Estrogen and progesterone do?

Egg production, breast development, menstrual cycle.