Publication:
Histomorphometric and immunohistochemical study of the goat abomasum during prenatal development

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Garcia-28-1639-1649-2013.pdf(16.71 MB)
Date
2013
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Authors
Garcia, A. ; Masot, J. ; Franco, A. ; Gazquez, A. ; Redondo, E.
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Publisher
F. Hernández y Juan F. Madrid. Universidad de Murcia. Departamento de Biología Celular e Histología
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DOI
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info:eu-repo/semantics/article
Description
Abstract
This study sought to chart the morphological changes taking place in the goat abomasum during prenatal development, using histomorphometric and immunohistochemical techniques. A total of 140 goat embryos and fetuses, from the first stages of prenatal life until birth. Differentiation of the abomasum as a separate compartment of the primitive gastric tube was observed at 35 days of prenatal life (CRL 3 cm, 23% gestation). Primitive abomasal folds were first observed at 38 days (CRL 4.3 cm, 25% gestation). The muscularis mucosae was visible by 64 days (CRL 13.5 cm, 43% gestation). Transformation of pseudostratified epithelium to simple cylindrical epithelium was also observed at this stage. Differentiation of gastric pits and glands first became apparent at 75 days (CRL 17.5 cm, 50% gestation) and 84 days (CRL 20 cm, 55% gestation), respectively. Neuroendocrine cells were detected by synaptophysin (SYP) at 64 days (CRL 13.5 cm, 43% gestation), while glial cell markers (glial fibrillary acidic protein - GFAP, and vimentin-VIM) were observed at 64 days (CRL 13.5 cm, 43% gestation) and 38 days (CRL 4.3 cm, 25% gestation), respectively. Neuropeptide Y (NPY) and vasoactive intestinal polypeptide (VIP) were detected at 75 days (CRL 17.5 cm, 50% gestation). Gastrinimmunoreactive cells first appeared in the abomasum at 76 days (CRL 18 cm, 50% gestation). In conclusion, prenatal development of the abomasum appears to take place somewhat earlier in goats than in sheep or cattle, but at a similar rate to that reported in wild ruminants such as deer.
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Abomasum , Immunohistochemistry
Citation
Histology and Histopathology, vol. 28, nº 12 (2013)
URI
http://hdl.handle.net/10201/63320
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Histology and histopathology Vol.28, nº12 (2013)
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