Turkish Journal of Veterinary & Animal Sciences




The aim of this study was to identify the mast cell heterogeneity of the cow uterus. For this purpose, the histological and histochemical properties and the distribution of the mast cells in cow uterus were investigated. Furthermore, the effects of different fixatives on mast cells were also examined. The study material was obtained from a local slaughterhouse. A total of 20 Holstein cows uteri were used; ten of which were at estrus and the other ten at diestrus phases of sexual cycle. Tissue samples from each cornu uteri were placed in 10 % neutral buffered formalin (NBF) and isotonic formaldehyde - acetic acid (IFAA) fixatives. To determine the mast cells, the tissue sections were stained both with toluidin blue and alcian blue/safranin O methods. In generaly, there were significantly more mast cells in endometrium, myometrium and perimetrium when fixed with isotonic formaldehyde-acetic acid compared with those seen in the same tissues fixed with neutral buffered formalin (p< 0.001). In the IFAA fixed tissue, there were more mast cells in endometrium compared with myometrium at the diestrus phases (P


Mast cells, heterogeneity, cow uterus

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