The ciliated funnel-shaped inner opening of a nephridium into the coelom in some invertebrates and lower vertebrates. 腎孔,腎口一些無脊椎動物和低等椎動物體內通向體腔的腎管纖毛,漏斗形,內部開口。
The ciliated funnel-shaped inner opening of a nephridium into the coelom in some invertebrates and lower vertebrates. 腎孔,腎口一些無脊椎動物和低等椎動物體內通向體腔的腎管纖毛,漏斗形,內部開口。