In order to evaluate relationships between healing rates and initial wound area, epithelial wounds were made on rabbit corneas by scraping the epithelium within a 4-, 6.5-, or 8-mm trephine mark. The wounds were stained with fluorescein and photographed during healing. The wounded areas were measured by planimetry. Although larger wounds closed later than smaller wounds, all of the healing curv...

The fine structure of the mouse tracheal epithelium from the fetal period to the stage of old age was examined with electron and light microscopes. The tracheal epithelium of the adult mouse is ciliated and single columnar in shape, consisting of three kinds of cells: ciliated, non-ciliated and basal. Neither goblet nor brush cells were found. The earliest signs of the cytodifferentiation of ci...

background: atrazine (atz) is a common herbicide in agriculture for control of grass and broad-leaved weeds. it persists in the environment and causes reproductive problems in both human and animals. the present study was aimed at protective effect of green tea against atz toxicity in the reproductive system of male rats. methods: the present study was performed in veterinary school, shahid bah...

histological and histochemical studies on the pancreas of goose (anser albifrons) were carried out using special staining and light microscope. the pancreas in goose is serous tubuloacinar gland having exocrine and endocrine part. smooth muscle fibres were absent in capsule of pancreas. acinar cells have bizonal shape. intralobular ducts, interlobular and main excretory ducts were present withi...

Histological and histochemical studies on the pancreas of goose (Anser albifrons) were carried out using special staining and light microscope. The pancreas in goose is serous tubuloacinar gland having exocrine and endocrine part. Smooth muscle fibres were absent in capsule of pancreas. Acinar cells have bizonal shape. Intralobular ducts, Interlobular and main excretory ducts were present withi...

Introduction: Cigarette smoking has been recognized to be a risk factor for progression of periodontal disease . Due to less inflammation and bleeding in the presence of clinical signs of periodontal disease in smokers than in nonsmokers and given the conflicting results of studies on changes in the epithelium and gingival connective tissue by smoking, this study was performed to evaluate the t...

The purpose of this research was to determine the effect Alpinia galanga extract for seminiferous tubular epithelial thickness, and diameter mice induced lead acetate. This study experimental, 25 male (Mus musculus) strain Balb/C with average arround 30 gram were divided into 5 groups in a completely randomized design different treatments 24 days. negative control group C (-) given CMC-NA, posi...

Histological development of digestive tract of the Caspian salmon, Salmo trutta caspius, from hatching to 6 month post-hatching was studied using light microscope. The digestive tract of newly hatched larvae was a simple, undifferentiated tube which continued from mouth to anus. In 10 days post hatching larvae, the alimentary canal became more differentiated and secretion was started activity, ...