The purposes of this study are to determine the effect of Zantac (Ranitidine) drug on sexual hormones (Testosterone and Prolactin), sperm head abnormality, and histopathological activity on albino male mice testes. Two doses of the drug were used: 1000 and 2000 mg/kg, in addition to a negative control group. Each group included four mice and the drug administrated orally as (0.1 ml) per day for 14 days, and then the mice were sacrificed on the day 15 for laboratory assessment. The result showed that the drug cause increase the percentage of sperm head abnormality which reaches to (48.3%) and (22.8%) for 2000 mg/kg and 1000 mg/kg respectively in comparison to control group (11.1%). The male sex hormones also affected by the drug and the level of testosterone hormone decrease to (1.07 ng/ml) in 2000 mg/kg and (3.42 ng/ml) in 1000 mg/kg, while the level of hormone in control group is (14.07 ng/ml). The prolactin hormone show increase in the level at dose 2000mg/kg it's (115 ng/ml) and in dose 1000 mg/kg the level its (43 ng/ml) these value very high compared with control group (36 ng/ml) due to the effect of the drug on the hormone. The histopathological examination shows damage in the seminal duct and changes in the wall of the seminiferous tube also the spermatogenesis well be affected by the drug in which is stop and some of seminal duct show no appearance of spermatogenesis and also cause depletion to the wall of the seminal duct.

The objective of this study was to considere as an explorer for in vivo studies on the production of some secondary metabolites from local medical plants named Viola odorata. Viola odorata commonly known as "garden violet or sweet violet" belongs to family Violaceae, is a slow growing perennial, with stout rootstock, grows in hedgerows, rough land and margins of woodland. 200 mg/kg of methanol extract for V. odorata was interacted with methotrexate as a drug in albino mice to see the healing capacity for this extract. Different organs were used such as intestine, kidney, spleen, and testes for this experiment. Each organ response was recorded in this experiment. Histopathological section in the intestine of animal treated with MTX and plant showed hypertrophy and hyperplasia of goblet cells and increased cellularity of lamna properia while Histopathological section in the testes of animal treated with MTX and plant showed no sperm in the seminiferous tubules of epididymis with the round multi-nuclei cell in the lumen accompanied by homogeneous material and cellular debris while Histopathological section in the spleen of animal treated with MTX and plant proliferation of lymphocytes in the periarteriolar sheath and proliferation of mononuclear cells around sinus in red pulp and Histopathological section in the kidney of animal treated with MTX and plant mononuclear cells aggregation in the interstitial tissue mainly around blood vessels and in the adipose tissue and renal tubules. Other sections showed hydropic degeneration of renal tubules.

The study aimed to explain the hepatoprotective action of Cyperus rotundus methanolic extract in vitro and in vivo (albino male mice). An interaction between the extract and Glucophage drug were also made to evaluate the in vivo modulating effects of the extract. The hepatoprotective evaluations included assessment of malondialdyde (MDA) and catalase (CAT) activities and liver function enzymes (aspartate aminotransferase; AST and alanine aminotransferase; ALT and alkaline phosphatase; ALP) in blood serum, as well as histopathological estimation of liver tissue, in mice after administration of the drug Glucophage and cyperus rotundus methanolic extract alone or with interaction. The results indicated that the plant extract (200mg/kg) decreased MDA activity and increase significantly activity of catalase in comparison to positive and negative controls. Also Cyperus rotundus methanolic increase the level of ALT, AST and ALP. The drug Glucophage was contributed to increased MDA activity and decreased the activity of catalase in comparison to positive and negative controls in addition to increase the activity of ALT, AST and ALP. The interaction between the extract and glucophage increased both MDA and catalase activity in comparison to control group. In addition to increase the liver function enzymes ALT, AST and ALP. The histopathological activity represented that histopathological section in the liver of mouse treated with Cyperus rotundus extraction showed scattered degenerated cells while histopathological section in the liver of mouse treated with Glucophage showed normal architecture with few pyknotic nuclei. Histopathological section in the liver of mouse treated with Cyperus rotundus and Glucophage showed multiple aggregation mononuclear cells around central vein.