![]() Toluidine blue stain Many thinly myelinated large axons Small onion bulbs |
![]() Toluidine blue stain Large axons surrounded by small onion bulbs |
![]() Toluidine blue stain |
![]() Toluidine blue stain Large onion bulbs |
![]() Toluidine blue stain |
![]() Toluidine blue stain Onion bulbs: Patchy distribution |
![]() Toluidine blue stain Onion bulbs: Around axons with thicker myelin sheath |
![]() Toluidine blue stain Patchy involvement within one fascicle More thinly myelinated axons in some areas |
![]() Toluidine blue stain Region of fascicle with relatively abundant, thinly myelinated large axons |
![]() Toluidine blue stain Region of fascicle with few large axons Smaller myelinated and unmyelinated axons predominate |
![]() Toluidine blue stain Larger axons: Very thin myelin sheath |
![]() Toluidine blue stain |
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![]() ATPase, pH 9.4 stain Type 1 muscle fiber predominance |