Korean Journal of Veterinary Research 1989;29(3):215-222.
Histological and histochemical studies of the squirrel epididymis
Si-yun Ryu1, Sung-whan Cho1, Moo-kang Kim1, Sung-ho Kim2, Cha-soo Lee3
1Department of Veterinary Medicine, College of Agriculture, Chungnam National University
2Laboratory of Cancer Pathology, Korea Cancer Center Hospital
3College of Veterinary Medicine, Kyungpook National University
다람쥐 부고환의 조직학적 및 조직화학적 연구
류시윤1, 조성환1, 김무강1, 김성호2, 이차수3
1충남대학교 농과대학 수의학과
2원자력병원 암병리학연구실
3경북대학교 수의과대학
In order to investigate the morphological characteristics of epididymal duct of the squirrel, the histological and histochemical studies were carried out. The results obtained were summarized as follows: The epididymal duct can be divided into 9 segments by histological and histochemical features. Segments 1 to 5 were located in the head, segments 6 and 7 in the body, and segments 8 and 9 in the tail of the epididymis. The apical cells were numerous in the segment 1. Clear cells which has a compact, deeply staining nucleus and a characteristically clear cytoplasm were scattered in the epithelium throughout the duct. Interepithelial clear cells which had PAS-positive granules tended to increase in number caudally. Strong PAS-positive reaction was detected at the intralumen of the segments 3,8 and 9. Acid phosphatase activity was relatively high in the basal cytoplasm of the segment 7, and then in the supranuclear region of the segments 8 and 9. Alkaline phosphatase activity was weakly positive or negative except the segments 3 and 4. ATPase activity was strong in the free surface of the epithelium in the head and the entire cytoplasm in the body and tail, a,nd SDH activity was generally weak except for the body where it was more intense.
Key Words: squirrel, epididymis, histology, histochemistry

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