Term
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Definition
| secretions to the outside world via duct |
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Term
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Definition
| Ductless, secrete into blood stream |
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Term
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Definition
| Organized groups of cells that secrete substances |
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Term
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Definition
| Metabolically produced chemical substances released by non-neural cells or neurons; exert regulatory influences on functions of other distant cells via the blood |
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Term
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Definition
- Neuron
- Nonneural endocrin cell
- Neural Secretory cell
- Local
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Term
| 3 main classes of hormones |
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Definition
- Polypeptides/ peptides
- Amines
- Steroids
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Term
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Definition
- Water soluble (hydrophilic)
- Synthesized and stored in vesicles
- Short half-life
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Term
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Definition
- Hydrophobic
- synthesized when needed
- extended half-life
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Term
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Definition
- melatonin and catecholamines are water-soluble
- thyroid hormones are lipid-soluble
- half-life varies
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Term
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Definition
- Peptide hormones bind to a membrane bound receptors and initiate short-term responses
- Steroid hormones bind to intracellular receptors and initiate long-term responses
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Term
| What part of the brain controls the pituitar gland? |
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Definition
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Term
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Definition
- Does not contain endocrine cells
- releases neurohormones from the hypothalamus
- vasopressin/Adh
- hypo->pos->circ
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Term
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Definition
- does contain endocrine cells
- synthesizes and releases hormones
- controlled by hypothalamus
- many different hormones
- LH (Luteinizing Hormone)
- FSH (Follicle-Stimulating Hormone)
- hypo->ant->endo->circ
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Term
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Definition
- Follicular stage (development of the follicle)
- Ovulation
- Luteal Phase
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