Hormone
Endocrine Hormones works slowly with long-term effect
Affects Broad range of cell
Communicates Regulatory Message, only affect on target Cells.
Terms:
- Source: where Hormone Chemicals are produced
- Sink: The parts of body being affected
Hormone Types:
Peptide Hormone
- Short chain of Amino Acid
- Can't penetrate membrane
- Requires Receptors to cause cascade of reactions in the target cell
Steroid Hormone
- Ring Structure
- Lipid soluable, so penetratable through membrane
- Binds to the receptor Protein and activate specific genes.
Hypothalamus
Where hormone are made
Pituitary Gland
Where hormone are secreted
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