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  • Title: Studies on the histogenesis of the tunica mucosa of the small and large intestines of the camel (Camelus dromedarius). I. Histogenesis of the small intestinal mucosa.
    Author: Osman AH, Dougbag AS, Berg R.
    Journal: Z Mikrosk Anat Forsch; 1983; 97(6):993-9. PubMed ID: 6670352.
    Abstract:
    The histogenesis of the small intestinal mucosa passes through a previllous stage, comprising development until the formation of villi (at a C RL of about 15 cm), and a villous stage, comprising the further development. In the previllous stage, the mucosa consists of a Lamina epithelialis made up of undifferentiated cells with stratified nuclei and a Lamina propria/submucosa made up of homogeneous mesenchyme. The villi appear as luminal epithelial outgrowths associated with vascularized mesenchymal stalks and their growth advances in a cranio-caudal direction. The intestinal glands were firstly observed at the 26 cm-stage as downgrowths of the intervillous epithelium into the underlying mesenchyme.
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