Is the repair of cardiac muscle and nervous tissue done by fibrosis?

Fibrosis is the process of forming scar tissue to replace damaged tissue. While fibrosis can occur in both cardiac muscle and nervous tissue, it is not the primary method of repair in either case.

In cardiac muscle, the primary method of repair is through the process of regeneration, in which new muscle cells are generated to replace damaged ones. Fibrosis can occur in cardiac muscle when the damage is too extensive or prolonged for regeneration to occur, and it serves to provide structural support and prevent the spread of damage.

In nervous tissue, the primary method of repair is through the process of neurogenesis, in which new neurons are generated to replace damaged ones. Fibrosis can occur in nervous tissue when the damage is too extensive or prolonged for neurogenesis to occur, and it serves to provide structural support and prevent the spread of damage.

Therefore, while fibrosis can occur in both cardiac muscle and nervous tissue, it is not the primary method of repair in either case.