Al Sammak, M., Shaya, E., Pages, , Sammak, , formQuery, , Al, A., Saraj, , uiLanguage, , Shaya, E., Saraj, , Al, A. (2006). The Effect Of Formaldehyde On The Lymphoid Tissues Of Rats( Quantitatine And Histological Study). , 1(121), 76-85.
Maha Al Sammak; Elias Shaya; Pages; Sammak; formQuery; Ayad Al; Saraj; uiLanguage; Elias Shaya; Saraj; Ayad Al. "The Effect Of Formaldehyde On The Lymphoid Tissues Of Rats( Quantitatine And Histological Study)". , 1, 121, 2006, 76-85.
Al Sammak, M., Shaya, E., Pages, , Sammak, , formQuery, , Al, A., Saraj, , uiLanguage, , Shaya, E., Saraj, , Al, A. (2006). 'The Effect Of Formaldehyde On The Lymphoid Tissues Of Rats( Quantitatine And Histological Study)', , 1(121), pp. 76-85.
Al Sammak, M., Shaya, E., Pages, , Sammak, , formQuery, , Al, A., Saraj, , uiLanguage, , Shaya, E., Saraj, , Al, A. The Effect Of Formaldehyde On The Lymphoid Tissues Of Rats( Quantitatine And Histological Study). , 2006; 1(121): 76-85.

The Effect Of Formaldehyde On The Lymphoid Tissues Of Rats( Quantitatine And Histological Study)

Medical Journal of Tikrit
Article 1, Volume 1, Issue 121, 2012, Pages 76-85
Authors
Maha Al Sammak; Elias Shaya; ; ; ; Ayad Al; ; ; Elias Shaya; ; Ayad Al
Abstract
This study is concerned with the effect of formaldehyde on the lymphoid system byquantitative and histological analysis. For this purpose 4 groups , each of 8 male rats wereexamined , group I lefts as a control , while group II,III and IV had given oral administration of10% formaldehyde (10 mg /kg body weight /day ) for 30, 60 and 90 days respectively . Twolymphoid organs , spleen and iliac lymph node were examined . The results showedsignificantly decreased of body weight during long period of formaldehyde exposure . Ingeneral a significant decrease were observed in organ weight , standardized weight , total whitecell count , cell density and differential white cell count in the treated groups and especiallyduring long period of exposure. Histologically, a significant decrease was observed in the numberand the percentage of while pulp of spleen, and in the number of nodules and the percentage of thediameter of the cortex of the iliac lymph node. These results showed that the formaldehyde causeda marked involution of the lymphoid system and this might be due to decreasing in cell-mediatedimmunity and humoral immunity leading to immunosuppression.
Keywords
The Effect Of Formaldehyde On The Lymphoid Tissues Of Rats; Quantitatine
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