1. Cutaneous membranes = skin = Integumentary system. We have the epidermis which is the outer epithelium tissue and dermis is the connective tissue.
2. Mucous (mucosa) membranes line the insides of hollow organs that open to the outside. (Mouth, rectum, reproductive, urinary)
3. Serous membrane (serosa/serosae pl.)
Capacity for regeneration
Tissues throughout life
By the end of the second month of pregnancy, the four primary tissues have formed and all major organs are in place.
Your bones, muscles and nervous tissue will atrophy due to less use as you age. If you stay active though, they won’t.
Collagen tends to decrease and the epithelial lining thins out.
Poor nutrition and circulation tax the body, eventually creating health complications over decades of misusing the body.
Use this Table of Contents to go to the next article
YOU ARE HERE AT EPITHELIAL AND CT