Esterase activity studies on the areas of lymphoid infiltration in the bursa of Fabricius (diffusely infiltrated area) and the dorsal wall of the cloaca showed that the epithelial cells exhibit varying degree of diffuse esterase activity; it was possible to demonstrate the presence of spot-like esterase positivity in star-shaped cells in the epithelium itself. These cells can be found at various levels from the proximal to the distal region and have also been observed in the connective tissue of the tunica propria; as a result, the hypothesis has been advanced that they are connective tissue.

DISTRIBUTION OF ESTERASE-ACTIVITY AT THE LEVEL OF THE EPITHELIUM OF THE DIFFUSELY INFILTRATED AREA (DIA) AND OF THE CLOACA IN THE GALLUS-DOMESTICUS - AN ULTRASTRUCTURAL-STUDY

DOLFI, AMELIO;GIANNESSI, FRANCESCO;BIANCHI, FRANCESCO;
1988-01-01

Abstract

Esterase activity studies on the areas of lymphoid infiltration in the bursa of Fabricius (diffusely infiltrated area) and the dorsal wall of the cloaca showed that the epithelial cells exhibit varying degree of diffuse esterase activity; it was possible to demonstrate the presence of spot-like esterase positivity in star-shaped cells in the epithelium itself. These cells can be found at various levels from the proximal to the distal region and have also been observed in the connective tissue of the tunica propria; as a result, the hypothesis has been advanced that they are connective tissue.
Dolfi, Amelio; Giannessi, Francesco; Bianchi, Francesco; Lupetti, M.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11568/173240
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