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Int. j. morphol ; 29(3): 678-680, Sept. 2011. ilus
Article in English | LILACS | ID: lil-608641

ABSTRACT

Cadmium Chloride (CdC1) is a teratogen which is commonly used in industry. Although it is well known to cause toxicity in testes, kidney, heart and liver, few studies have been carried out in the digestive system. In the present study the effects of CdC1 on the esophagus of rats were investigated Wistar albino rats weighing 180 ­ 200 g were used. The animals were divided into two groups; one group was administered 2 mg/kg/day CdC1 intraperitoneally for one week. Esophagus was removed and placed in 10 percent formaline. Sections were stained with Hematoxylene-Eosine and observed under light microscopy. Hyperplasia in the epithelium, an increase in fibrotic cells under epithelium, hemorrhage in vessels, free floating erythrocytes were all observed following fetal exposure. In conclusion and most importantly, cadmium chloride was found to cause an increase in connective tissue in esophagus mucosa.


El cloruro de cadmio (CdCl2) es una sustancia teratogénica utilizada en la industria. Aunque es conocido por causar toxicidad en testículos, riñones, corazón e hígado, pocos estudios se han realizado en el sistema digestivo. Se estudió el efecto del CdCl2 en el esófago de ratas. Fueron utilizadas 24 ratas Wistar albinas de180-200 g. Los animales fueron divididos en dos grupos: a un grupo se le administró 2 mg/kg/día de CdCl2 vía intraperitoneal durante una semana, y un grupo control. Luego, el esófago fue extraído y fijado en formalina al 10 por ciento. Las secciones fueron teñidas con H-E, examinándose al microscopio óptico. Se observó después de la exposición fetal, hiperplasia epitelial, con un aumento en las células fibróticas en el epitelio y hemorragia en los vasos sin eritrocitos flotantes. Es importante destacar que el cloruro de cadmio causó incremento en el tejido fibroso de la mucosa esofágica.


Subject(s)
Rats , Cadmium Chloride/administration & dosage , Cadmium Chloride/adverse effects , Esophagus/anatomy & histology , Esophagus/cytology , Esophagus , Esophagus/ultrastructure , Rats, Wistar/injuries
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