| Mucous
Membranes |
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| • | Epithelium combined with areolar or dense
irregular |
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| and
smooth muscle |
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| • | Specialized cells (goblet cells) or
glands secrete |
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| mucus,
which acts as a lubricant. |
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| • | Locations: |
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| § | respiratory tract (ciliated columnar or
p.c.c.e.) |
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| § | gastrointestinal (simple columnar) |
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| § | genitourinary ( ciliated and
non-ciliated) |
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