A scanning electron microscopic study of mammary myoepithelial cells, with special reference to their role in the ejection of milk.
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概要
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Connective tissue components around alveoli were removed with a HCl-collagenase digestion method. Myoepithelial cells (MECs) of the mammary glands in lactating rats under mormal and experimental conditions were observed by scanning electron microscopy (SEM). MECs with elongated cell bodies and long, bifurcating processes formed a delicate network around the alveolus. The basal surface of MEC was generally flat. In rats injected with oxytocin, the mammary glands were markedly different in morphology. Most of the alveoli were rugged in basal aspect and were smaller in volume. MECs had prominent folds indicating squeezing of the alveolus occurred probably due to the contraction of MECs. Therefore, it was concluded that MECs in the mammary gland play an important contractile role in milk ejection.
- 久留米大学医学部 The Kurume Medical Journal 編集部の論文
著者
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Sato Kaiji
Department Of Mechano-micro Engneering Interdisciplinary Graduate School Of Science And Engineering
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Inokuchi Tetsuo
Department of Anatomy & Histology, Kurume University School of Medicine
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Sasai Yoichiro
Department Of Dermatology And 2nd Department Of Pathology Kurume University
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Nagata Masakazu
Department Of Urology Showa University School Of Medicine
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ABE JUNICHI
Department of Anatomy Kurume University School of Medicine
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ABE JUNICHI
Department of Anatomy, Kurume University School of Mdeicine
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SHIROMOTO MITSURU
Department of Anatomy, Kurume University School of Mdeicine
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ICHIKI MIKIO
Department of Dermatology, Kurume University School of Mdeicine
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NAKAMA TAKESHI
Department of Dermatology, Kurume University School of Mdeicine
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SATO KAIJI
Department of Anatomy, Kurume University School of Mdeicine
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SATO KAIJI
Department of Anatomy Kurume University School of Medicine
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SASAI YOICHIRO
Department of Dermatology, Kurume University School of Mdeicine
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