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Histological observation of the stomach of the yellow-billed grosbeak / Observación histológica del estómago del pepitero de cola negra
Zhu, Lei; Wang, Jun Jie; Shi, Xiao Dong; Hu, Jiang; Chen, Jian Gang.
  • Zhu, Lei; Qujing Normal University. College of Biology and Environmental Science. Qujing. CN
  • Wang, Jun Jie; Qujing Normal University. College of Biology and Environmental Science. Qujing. CN
  • Shi, Xiao Dong; Qujing Normal University. College of Biology and Environmental Science. Qujing. CN
  • Hu, Jiang; Qujing Normal University. College of Biology and Environmental Science. Qujing. CN
  • Chen, Jian Gang; Qujing Normal University. College of Biology and Environmental Science. Qujing. CN
Int. j. morphol ; 31(2): 512-515, jun. 2013. ilus
Article in English | LILACS | ID: lil-687094
ABSTRACT
The stomachs of the yellow-billed grosbeaks were examined by means of light microscopy. The mucous membrane of the proventriculus presented many folds and sulci. The sulci were lined by simple columnar cells with basal nuclei and clear acidophilic cytoplasm. The proventriculus glands were constituted by many round or elliptical glandular lobules. The sulci and the collecting duct of compound tubular glands showed an intense positive reaction in PAS and AB stain. The gizzard was characterized by an internal abrasion-resistant lining cuticle and a thick muscular layer. The cuticle, gizzard glands and muscular layer in two sides were thicker than those in the cranial and caudal.
RESUMEN
Los estómagos del Pepitero de cola negra fueron examinados mediante microscopía óptica. La membrana mucosa del proventrículo presentó muchos pliegues y surcos. Los surcos estaban revestidos por células columnares simples con núcleos basales y un citoplasma claro acidófilo. Las glándulas proventriculares estaban constituidos por abundantes lóbulos glandulares redondos o elípticos. Los surcos y conductos colectores de las glándulas tubulares compuestas mostraron una reacción positiva e intensa a las tinciones de PAS y AB. La molleja estomacal se caracterizó por una cutícula de revestimiento resistente a la abrasión interna y una capa muscular gruesa. La cutícula, glándulas de la molleja y capa muscular en ambos lados eran más gruesas que en la craneal y caudal.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Stomach, Avian / Birds Limits: Animals Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2013 Type: Article / Project document Affiliation country: China Institution/Affiliation country: Qujing Normal University/CN

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Full text: Available Index: LILACS (Americas) Main subject: Stomach, Avian / Birds Limits: Animals Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2013 Type: Article / Project document Affiliation country: China Institution/Affiliation country: Qujing Normal University/CN