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Fig. 1 | Stem Cell Research & Therapy

Fig. 1

From: Treatment evaluation of Wharton’s jelly-derived mesenchymal stem cells using a chronic salpingitis model: an animal experiment

Fig. 1

Hematoxylin and eosing staining (a: 100×; b: 400× enlargement of the area G in a) of the ampulla of a fallopian tube 15 days after Escherichia coli suspension intubation. We observed interstitial proliferation and lymphocyte infiltration (n = 2). c Secretory epithelium and ciliated cells showed an opposite arrangement. Many secretion granules and mitochondria were observed in the secretory cells (black arrow) at 3700× in the wild-type group (n = 6). d Cilia (white arrow) and microvilli (black arrow) were abundant, and the cilia showed the typical 9 × 2 + 2 arrangement of microtubules at 23,000× in the wild-type group (n = 6). e Microvilli and cilia were sparse (black arrow), and secretory granules decreased significantly (white arrow) at 2550× in the untreated control group (n = 10). f Incomplete cytomembranes, disappearing microvilli, and deciduous cilium were observed in some epithelial cells. Some organelles, such as swollen endoplasmic reticula and mitochondria, projected into the oviduct lumen at 9700× in the untreated control group (n = 10). g Most microvilli (black arrow) and cilia (white arrow) renewed. The typical 9 × 2 + 2 arrangement of the microtubules was clear at 9700× in the vein + local treatment group (n = 6). h Secretory granules remained reduced (thin black arrow). Swollen mitochondria (thick black arrow) and endoplasmic reticula (white arrow) were still observed in the epithelial cytoplasm at 3900× in the local vein + local treatment group (n = 6). i Microvilli (black arrow) and cilia (white arrow) were renewed. The typical 9 × 2 + 2 arrangement of microtubules was clear at 9700× in the local treatment group (n = 6). j Secretory granules (white arrow) were observed in secretory cells at 5800× in the local treatment group (n = 6)

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