问题
单项选择题
月经后新生的子宫内膜由哪层长出
A．功能层
B．海绵层
C．基底层
D．致密层
E．表层
答案
参考答案：C
解析：子宫内膜的基底层不受月经周期中激素变化的影响，经期不发生脱落。功能层受卵巢激素的周期性影响，月经期坏死脱落，接着在基底层上发生增生及分泌性改变。
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月经后新生的子宫内膜由哪层长出
A．功能层
B．海绵层
C．基底层
D．致密层
E．表层
参考答案：C
解析：子宫内膜的基底层不受月经周期中激素变化的影响，经期不发生脱落。功能层受卵巢激素的周期性影响，月经期坏死脱落，接着在基底层上发生增生及分泌性改变。
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we 1 a good place to camp for the whole night. We make a campfire so that we can cook our 2 We roasted some hot dogs and potatoes and 3 some lemonade. When it got _4 , we told ghost stories by sitting 5 the campfire. Later when we lay down to go to 6 , we listened to the sounds of crickets(蟋蟀)and some 7 moving around in the grass. We 8 there were some ghosts nearby. "What?" we asked. "I think I hear someone walking in the woods," Kathy said. Soon we all 9 footsteps and we were all so 10 that we couldn't go to sleep. Of course, there was no one there, but we have very active imagination. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. |