TISSUE MEMBRANE

TISSUE MEMBRANE

Thin sheet of tissues that covers a structure or lines a cavity

• External - Cutaneous Membrane (Skin)

• Internal -Mucous Membrane, Serous Membrane, SynovialMembrane

4 tissue membranes (1 external; 3 internal)

MUCOUS MEMBRANE

• Lines cavities and canals that open to the outside of the body

• Consist of: epithelial cells, basement membrane & lamina propria

  Lamina Propria – thick layer of loose connective tissue

• Functions (depending on location): Protection, Absorption, Secretion

GOBLET CELLS

secretes mucus and are widely distributed to mucous membrane (but not all)

SEROUS MEMBRANE

• Lines cavities that do not open to the exterior of the body

• Pericardial(heart),pleural(lungs),peritoneal(abdomen)

• 3 components: mesothelium (simple squamous epithelium layer), basement membrane & loose connective tissue

• Does not contain glands

• Secrete SEROUS FLUID→lubricates the serous membranes→reduces friction

• Line freely movable joints

• Made up o ONLY connective tissue

• Produces SYNOVIAL FLUID→facilitate smooth movement within the joint