名词 excretion:

1. the bodily process of discharging waste matter

2. waste matter (as urine or sweat but especially feces) discharged from the body

excretionn.排泄；分泌；排泄物excretion urogram排泄性尿路造影片Excretion function通便功能excretion vesicles分泌小泡excretion parameter排泄参数excretion urography排尿性尿道造影,快速连续静脉尿路造影excretion monitoring排泄物监测excretion pyelography排泄性肾盂造影术excretion-urography[医] 排泄性尿路造影术Excretion of fluorine排氟效应excretion hepatography排泄性肝脏造影(术)