Tissues C

Front

When do tissues repair

Back

when the body's barriers are compromised, the inflammatory and immune responses are activated

Front

When does repair star and what is repair

Back

Repair starts very quickly

Repair is the function of the inflammatory process

Front

What are the two major ways repair can occur

Back

Regeneration, Fibrosis

Front

Regeneration

Back

same kind of tissue replaces destroyed tissue so original function is restored

Front

Fibrosis

Back

connective tissue replaces destroyed tissue and original function lost

Front

What happens in step 1: inflammation sets the stage

Back

Release of inflammatory chemical causes:

Dilation of blood vessels

Increase in blood vessel permeability

Clotting of blood occurs

Front

What happens in step 2: organization restores blood supply

Back

Organization begins as the blood clot is replaced with granulation tissue (new capillary-enriched tissue)

Epithelium begins to regenerate

Fibroblasts produce collagen fibers to bridge the gap until regeneration is complete

Any debris in area is phacoytized

Front

What happens in step 3: Regeneration and Fibrosis Effect permanent repair

Back

The scab detaches

Fibrous tissue matures

Epithelium thickens and begins to resemble adjacent tissue

Results in a fully regenerated epithelium with underlying scar tissue, which may or may not be visible

Front

Tissues with virtually no functional regenrative capacity:

Back

Cardiac muscle and nervous tissue of brain and spinal cord

New research shows cell division does occur, and efforts are underway to coax them to regenerate better

Front

Tissues that regenerate extremely well include:

Back

Epithelial tissues, bone, areolar connective tissue, dense irregular connective tissue, blood-forming tissue