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Cards In This Set
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What is the definition of an exocrine gland?
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Secrete their products via ducts, or directly onto the surface where active
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What is the definition of an endocrine gland?
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Ductless gland- lost their connections to the originating epithelium, so secrete their products into the blood or lymphatic system for delivery to the target organs or cells
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What is it called if a cell secretes a signal and the receptor is on the same cell (signals itself to do something)?
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Autocrine
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How do paracrine substances signal their targets?
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Diffuse across CT short distances
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What are hormones?
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Secretions from endocrine glands
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What is the half life like for a hydrophilic signal?
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SHORT...few sec-minutes
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What is the half-life like for a hydrophobic signal?
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LONG...hours to days
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There are 2 types of secretion...What are they?
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Constitutive secretionRegulated Secretion
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Which type of secretion doesn't require a signal and has no intermediate storage?
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Constitutive secretion
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Which type of secretion involves production and storage of a product?
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Regulated secretion
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T/F: There is such thing as a mixed type of secretion- where a low level of product is produced all the time, but storage and quick release of an extra high level can happen.
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True
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What is an example of a cord-type endocrine gland?
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Parathyroid
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What type of gland (based on arrangements) is most common? Where is an example of this found?
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Cord-type endocrine gland, found in liver
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 What type of gland (based on arrangements) is this a picture of? |
Cord-type endocrine gland
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Where are hormones stored in cord-type endocrine glands until a proper signal arrives?
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Within the cells
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