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Guyton - Endocrine

Terms in this set (125)

Adenohypophysis
Anterior pituitary
Neurohypophysis
Posterior pituitary
Parts of pituitary
Anterior pituitary, posterior pituitary, pars intermedia
Functions of anterior pituitary hormones
Control metabolic functions of the body
What is the effect of growth hormone on actions of insulin?
Inhibits
Where are posterior pituitary hormones synthesized
Magnocellular neurons of hypothalamus
What controls release of posterior pituitary hormones?
Nerve signals to hypothalamus
What controls release of anterior pituitary hormones?
Releasing hormones from hypothalamus
What conducts releasing and inhibitory hormones from hypothalamus to pituitary?
Hypothalamic-hypophysial portal vessels
Effects of GH on protein metabolism
Increased protein production and decreased breakdown
Effects of GH on fat metabolism
Increased mobilization of FFAs and use for FFAs for energy
Effect of GH on carbohydrate metabolism
Decreased rate of glucose utilization
Overall effects of GH in the body
Enhances body protein, uses up fat stores, promotes insulin resistance
Most important function of GH for protein metabolism
Increases nuclear transcription of DNA from RNA
Effect of osteoblast stimulation by GH
Bones become thicker
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