The Endocrine GlandsSBI4U

Endocrine feedback Mechanism ActivitySBI4U

Target Stimulus Hormone Secreted By Effect

Liver Increase in blood glucose

Insulin β-cells in pancreas

Inhibits - cellsα

Liver Decrease in blood glucose

Amylin - cells inα pancreas

Glycogenolysis

Muscle cells Increase in blood glucose

Glucagon β-cells in pancreas

Uptake of soluble Glucose

Osteoblasts Decrease in Ca2+

Calcitonin Thyroid Decrease in Ca2+

Bone growthOsteoclasts Increase in

Ca2+PTH Parathyroid

GlandIncrease in Ca2+

Pituitary Gland

Increase in TSH

GH/SH/GnRH Anterior Pituitary Gland

Growth and Differentiation

ThyroidPuberty TRH Pituitary

GlandTriggers Thyroid Gland

Most Cells Good nutrition

T3/T4 Thyroid Triggers Pituitary Gland

Most Cells Increase in TRH

TSH Hypothalamus Growth/Mitosis