Ch 4, 4 covering and lining membranes

Question 1

cutaneous membrane (skin)

Answer 1

-covers outside the body
-exposed to air, has dry surface
-stratified keratinized
-attached to dermis
function-protects against abrasion, wear and tear, penetration

Question 2

mucous membrane or mucosae

Answer 2

line body cavities that open to the exterior

2. moist surface-goblet cells-mucosa
3. variety of tissue types -simple to stratified non-keratinized
   function: secretion and absorption

Question 3

serous membrane or serosae

Answer 3

1.line closed ventral cavities and cover internal organs
2. named according to location
++pleura=thoracic wall and lung covering
3. partial serosae-lines internal body walls
visceral serosae-covers internal organs
4. composed of sheets of simple squamous with a space between them
5. both layers secrete a lubricant-serous fluid
function: produce a lubricant so no friction