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Endocrine System
Definitions for the chapter
Term | Definition |
---|---|
Endocrine gland | Ductless gland which release hormones directly into the blood stream |
Exocrine gland | Glands that carry secretions out of a duct |
Gland | A gland is a group of cells in an animals body that produces substances |
Hormone | A chemical messenger, usually a protein, produced by an endocrine gland and carried by the blood to another part of the body where it has a specific effect |
Negative feedback | When the increase of one hormone leads to the decrease of another hormone |