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| Unit 8: Demos |
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Insulin
structure (9b) Thyroid hormones (12b) Other hormones involved in regulation of blood sugar (15b) Adrenal cortex negative feedback (16e) Estrogen receptor (optional) External versus internal fertilization |
Calcium Homeostasis The figure below details the negative feedback system involving two antagonistic hormones, calcitonin (released from the thyroid gland) and parathytroid hormone (PTH). This interaction maintains the blood calcium concentration near its set point.
Parathyroid hormone and Calcitonin: Control of Blood Calcium
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