ANATOMICAL AND HISTOLOGICAL STUDIES OF THE AVIAN UTERUS OF THE OVIDUCT IN A CHICKEN

The purpose of the study is to features macro- and microscopic structure avian uterus in hen Haysex white cross. objects were 10 carcasses adult hens, cross-hysex white, aged 160-180 days. To oviduct, method conventional fine dissection was used. For histological examination, material fixed a 10% aqueous solution neutral formalin, followed by pouring into paraffin. As result our research, we noted that oviduct sac-like expansion where process mineralization egg shell coating carried out. mucous membrane bird's chicken assembled primary, secondary tertiary folds covered with multi-row ciliated epithelium, presence cambial, goblet-shaped cells densely arranged tubular glands. nuclei round-oval are compressed from sides, located at different levels. ducts glands open surface folds. On there form leaf-shaped plates, which longitudinally, columnar epithelium. occupies 61.9% wall thickness, represented At heart its own plate lies large number Due active secreting function, 2.4 times larger than thickness muscular membrane. muscle membrane, occupying 26.3% consists 5 -6 layers longitudinal 4 circular bundles smooth fibers, between collagen elastic fibers located. serous accounts for 13.4% entire uterine wall.