Body Membranes Flashcards
Functions of body membranes
Cover body surface
Line body cavities
form protective sheets around organs
How are body membranes classified?
Tissue type
Skin
Cutaneous membrane
Dry membrane
Cutaneous membrane
Outermost protective boundary
Cutaneous
What type of tissue is the cutaneous membrane made of?
Epidermis- keratinized stratified squamous epithelium
Dermis- dense connective tissue
What is the mucuous membrane made of
Depends on site: Stratified squamous Simple columnar Underlying: Loose connective
Loose connective membrane tissue membrane of the mucous membrane is called what?
Lamina propria
Wet membrane, continuously bathed in secretions
Mucous
Function of the mucous
Absorption and secretion
Lines all body cavities that open to the exterior body surface
Mucous
What type of tissue makes up the serous membrane
Surface layer: simple squamous epithelium
Underlying layer: areolar connective tissue
Lines body cavities that are closed to the the exterior of the body
Serous membrane
What separates the pairs of serous membranes
Serous fluid
Covers the outside of the organ
Serous-visceral layer
Lines a portion of the wall of central body cavity
Serous-parietal layer
Serous membrane of the abdominal cavity
Peritoneum
Serous membrane around the lungs
Pleura
Serous membrane around the heart
Pericardium
Connective tissue membrane
Synovial membrane
What type of tissue is the synovial membrane made of?
Connective areolar tissue
Lines fibrous capsules surround joints
Synovial membrane
Function of the synovial membrane
Secretes a lubricating fluid
Small sacs of connective tissue
Bursae
Synovial membranes line what?
Bursae and tendon sheets
A function of the synovial membrane
Provides a cushion for organs
Provide a smooth surface for joints
Secrete lubricating fluid