Unit 10 Endocrine System Vocabulary

An organ that secretes its product, hormone, directly into the blood, rather than through a duct.

Hormones that function outside the cell in the transmission of biological information.

The three-stage process that describes the physiological changes the body goes through when under stress.

A chemical substance produced in the body that controls and regulates the activity of certain cells or organs.

Hormones that bind to receptors on the inside of the target cell.

Molecules that function inside the cell to transmit signals from a receptor to an internal target.

The reaction of the body to a challenge or demand.

The physiological, psychological, or social force that puts real or perceived demands on the body.

A cell that contains membrane receptors for a specific hormone.

Hormones that bind to receptors on the surface of the target cell.