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