Figure 1010

Example of how the direct control of hormone secretion by the plasma concentration of a substance, either organic nutrient or mineral ion, results in the negative-feedback control of the substance's plasma concentration.

Central nervous system

Hypothalamus

Hormones

Anterior pituitary

Hormones

Posterior pituitary

Hormones

Adrenal medulla

Hormone (epinephrine)

Autonomic ganglion

Autonomic ganglion

Endocrine gland cell

Hormone

Essentials of Human Physiology

Essentials of Human Physiology

This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.

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