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1. Which structure is generally lined by a mucosal membrane?
2. What is the primary role of the epithelium in a mucosal membrane?
3. Which function of mucosal epithelium helps defend an internal surface against dust particles, microorganisms, and physical injury?
What is the mucosal membrane's location and gland presence?
It lines viscera and some organs, usually with mucus-secreting glands except in blood vessels and CNS lining.
What functions does the epithelium of the mucosal membrane perform?
Protection, absorption, secretion, and reabsorption.
What types of damage and threats does mucosal epithelial protection defend against?
Mechanical, thermal, osmotic damage, dust, viruses, bacteria, parasites, and partly immune defense.
What is the lamina propria and what does it contain?
Loose connective tissue beneath epithelium containing blood vessels, lymphatics, and nerve fibers.
What does interstitial connective tissue form in an organ?
The organ's external fibrous capsule.
What functions does the organ's external fibrous capsule provide?
It limits the parenchyma, shapes the organ, and reduces friction.
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