Muscle Child Adult Aging Morphology Sarcopenia Nerve NMJs |
![]() From Bramwell: Atlas of Clinical Medicine |
Aging (> 65 years): Muscle Changes 1
|
Nuclear shapes: Irregular![]() H&E stain |
![]() H&E stain Muscle fiber size: Varied |
![]() Gomori trichrome stain |
![]() ATPase ph 4.3 stain Type 2 fibers small |
![]() ATPase ph 4.6 stain |
Fiber types: Non-random distribution![]() ATPase ph 9.4 stain |
![]() Acid phosphatase stain Lipofuscin: Punctate sub-sarcolemmal regions |
![]() Esterase stain |
Internal architecture Mildly irregular Pale (Type 2) fibers small ![]() NADH stain |
![]() Silver-Esterase stain |
![]() Silver-Esterase stain |
![]() Silver-Esterase stain |