STUDIES ON THE EGG SHELL FORMATION IN THE FOWL OVIDUCT : II. HISTOCHEMICAL OBSERVATION ON THE SECRETIONS OF THE LUMINAL SURFACES AND THE GLANDULAR REGIONS
スポンサーリンク
概要
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Using ten hens of white Leghorn 150 days after hatching, samplings were carried out from their oviducts at various stages of laying or non-laying hens, which were defined in the previous study (7). Histochemical observa-tion of the mucosubstances in the luminal epithelia and gland cells in the lamina propria were performed. The infundibulum has been known as the chalaziferous gland. However, the present study revealed that the secretion materials from the luminal epithelium were sulfomucins (chondroitin sulfate C) and sialo- or hyaluromucins which constituted the chalaza in the lumen together with those from the magnum. PAS-positive mucins in the chalaza were the secretives from the basal cells of the magnum epithelium at stage 2 and 3, where egg was coated with albumen. PAS-positive granules of the luminal epithelium in the isthmus are thought to be a cementing substance in the formation of shell membrane. PAS-positive large granules from the isthmian glands appeared just prior to the egg transportation to the uterus (stage 5) and it served to construct the shell membrane. These large granules contained sulfomucin and sialo- or hyaluromucin, which may be necessary for calcium precipitating sites on the shell membrane. The basal and the ciliated cells of the uterine epithelia secreted two types of granules. The one contained sialomucin and the other protein richly. They were surmized to be components of the organic matrix in the shell.
- 日本組織細胞化学会の論文
著者
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Tamate Hideo
Laboratory Of Anatomy College Of Animal Sciences Kitasato University
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Tamate Hideo
Laboratory Of Animal Morphology Faculty Of Agriculture Tohoku University
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KATZUKURA YOSHITERU
Laboratory of Animal Morphology, Faculty of Agriculture, Tohoku University
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Katzukura Yoshiteru
Laboratory Of Animal Morphology Faculty Of Agriculture Tohoku University
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