Twelve adult animals of both goats and sheep were used in this study.The segments of oesophagus from the anterior 3 rd (cervical part) were taken from six samples of goats and six samples of sheep. The segments of 0.5cm were processed by histological techniques which were stained by haematoxylin and eosin and examined under light microscope. The results of this examination revealed that, both species of animals had the for layers which were the tunica mucosa, submucosa, muscularis and adventitia, the mucosa had stratified squamous epithelium with variable amount of keratin on its surface, the lamina properia was formed by dense connective tissue with the presence of thin zone of muscularis mucosa, while in sheep the keratin on the surface of epithelium was more and the lamina properia was thinner than goat, but the muscularis mucosa was formed by masses of smooth muscle fibers more than goat. The sub mucosa was more condensed with connective tissue in goat than sheep with the presence of medium and small sized blood vessels. In this layer in both animals. The tunica muscularis of both were formed by skeletal muscle fibers, in goat were arranged into three directions which were inner circular, middle oblique and outer longitudinal, while in sheep was found as inner circular and outer longitudinal. finally, both animals were containing outer layer of loose connective tissue called tunica adventitia and in sheep had more fat cells invaded this layer with blood vessels, fat cells and nerves.

Twelve adult animals of both goats and sheep were used in this study. The segments of oesophagus from the anterior 3rd (cervical part) were taken from six samples of goats and six samples of sheep. The segments of 0.5cm were processed by histological techniques which were stained by haematoxylin and eosin and examined under light microscope. The results of this examination revealed that, both species of animals had the for layers which were the tunica mucosa, submucosa, muscularis and adventitia, the mucosa had stratified squamous epithelium with variable amount of keratin on its surface, the lamina properia was formed by dense connective tissue with the presence of thin zone of muscularis mucosa, while in sheep the keratin on the surface of epithelium was more and the lamina properia was thinner than goat,  but the muscularis mucosa was formed by masses of smooth muscle fibers more than goat. The sub mucosa was more condensed with connective tissue in goat than sheep with the presence of medium and small sized blood vessels. In this layer in both animals. The tunica muscularis of both were formed by skeletal muscle fibers, in goat were arranged into three directions which were inner circular, middle oblique and outer longitudinal, while in sheep was found as inner circular and outer longitudinal. finally, both animals were containing outer layer of loose connective tissue called tunica adventitia and in sheep had more fat cells invaded this layer with blood vessels, fat cells and nerves.  

Research has been designed to focusing and evaluation the effect of cypermethrin as insecticide material in the skin of the rabbits. Cypermethrin was applied on the skin after shaving the dorso-lateral aspect of rabbits .The animals (12) were classified into four groups (A, B, C and D), three animals per group. Groups (B, C and D) were exposed to cypermethrin at doses (0.001, 0.005, 0.010)mg/kg respectively,  while  (A) was a control group. After ten days of drug's application, animals of group (D) were died at ending of the study because they received heavy dose. The groups (B and C) shown excitation  signs, followed by inhibition and depression of their activity. The animals of groups (A, B and C) were scarified and a specimens (0.5) cm3 of skin from the dorso- lateral aspect were obtained, washed with water and put in formalin (10)% then processed after (24) hours by using  histological technique, sectioned at (5)µm thickness, stained with Hematoxylin and Eosin a then examined under light microscopic at different powers.   http://dx.doi.org/10.25130/tjps.25.2020.022

Research has been designed to focusing and evaluation the effect of cypermethrin as insecticide material in the skin of the rabbits. Cypermethrin was applied on the skin after shaving the dorso-lateral aspect of rabbits .The animals (12) were classified into four groups (A, B, C and D), three animals per group. Groups (B, C and D) were exposed to cypermethrin at doses (0.001, 0.005, 0.010)mg/kg respectively,  while  (A) was a control group. After ten days of drug's application, animals of group (D) were died at ending of the study because they received heavy dose. The groups (B and C) shown excitation  signs, followed by inhibition and depression of their activity. The animals of groups (A, B and C) were scarified and a specimens (0.5) cm3 of skin from the dorso- lateral aspect were obtained, washed with water and put in formalin (10)% then processed after (24) hours by using  histological technique, sectioned at (5)µm thickness, stained with Hematoxylin and Eosin a then examined under light microscopic at different powers.

The present study aimed to determine the therapeutic effect of camel milk on colonic tissues of albino mice experimentally infected with E. histolytica. Albino mice (Mus musculus) was infected experimentally with E. histolytica cyst stage at a dose 1x106 cell/ml, which was isolated from faecal samples of infected children with E. histolytica who attended to Children's Hospital in the city of Kirkuk at period from May to July 2019. The infected group showed, sever lymphocytes infiltration, and trophozoit stage in the mucous layer with the presence of necrotic materials. In the group of mice which administered with 3 ml of camel milk, colon tissue was normal and there were no histopathological changes compared with mice infected with E. histolytica. While, in the infected group and later treated with camel milk, the histological sections confirm the improvement of colon tissue layers after treatment compared with infected group. Also, in this group, the stages of the parasite were absent. Therefore, from the current study it can be concluded that camel milk has a therapeutic role against the tissue lesions caused by E. histolytica.