Birds Skin and appendages

 

Melopsittacus undulatus Cere proliferation

 

Nestor notabilis  Kea Leg Skin Dyskeratosis

Serinus canaria Plumafolliculoma Defective feather elements Ingrowth in mesenchym

 

Serinus canaria Plumafolliculoma Defective feather elements Ingrowth in mesenchym

 

Serinus canaria Plumafolliculoma Cellular invasion between cyst wall and subcutis

 

Serinus canaria Plumafolliculoma Area of “pulp” tissue next to condensed connective tissue

 

Serinus canaria Plumafolliculoma Area of “pulp” tissue on inside of a capsule