The present study was conducted to determine the histological and histomorphometric variations in tongue, oesophagus, proventriculus, gizzard of ostriches (Struthio camelus) with regards sex advancing age. A total 40 healthy both sexes five age groups; young (up 1 year, 2 years 3 years) adult (3 4 above equal numbers (n = 8) were used this study. organs under collected immediately after slaught...