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Some bipolar cells in the human retina are known to express voltage-gated Na+ channels. However, it is unclear which types of channels are expressed, and whether Na+ channel expression is limited to specific types of bipolar cells. In the present study, we examined the types of voltage-gated Na+ channels expressed in human bipolar cells and the morphology of bipolar cells with voltage-gated Na+ currents. To investigate the expression of voltage-gated Na+ channels in human bipolar cells, we examined whether Na+ channel transcripts could be

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Cervical length is a commonly used clinical indicator for evaluating preterm birth. However, some studies have shown that cervical length does not change in patients with cervical insufficiency. This study aimed to use the transvaginal ultrasound E-Cervix to quantitatively evaluate the cervical stiffness in women with singleton and twin pregnancies to provide a reference for the clinical prediction of preterm birth. We collected the cervical length, cervical hardness ratio, mean internal os strain, and mean external os strain using t