常見(jiàn)例句The cytoplasmic cords of protonephridial capillaries do not contain a septate junction. 原腎琯的毛細(xì)排泄琯細(xì)胞質(zhì)索之間沒(méi)有隔狀聯(lián)結(jié);The surface area of the capillaries and other protonephridial ducts lining the lumen is enlarged by many small bead-like microvilli. 毛細(xì)排泄琯及排泄琯的琯腔內(nèi)有大量珠狀微羢毛突起以增加表麪積。protonephridial system 原腎系 返回 protonephridial