The ciliated funnel-shaped inner opening of a nephridium into the coelom in some invertebrates and lower vertebrates. 肾孔,肾口一些无脊椎动物和低等椎动物体内通向体腔的肾管纤毛,漏斗形,内部开口。
The ciliated funnel-shaped inner opening of a nephridium into the coelom in some invertebrates and lower vertebrates. 肾孔,肾口一些无脊椎动物和低等椎动物体内通向体腔的肾管纤毛,漏斗形,内部开口。