excretion，英语单词，主要用作名词，作名词时译为”排泄，排泄物；分泌，分泌物“。

salt excretion 盐排泄 ; 盐分分泌

Iodine excretion 碘排泄量

cuticular excretion 角质层分泌 ; 角皮排泄

excretion rate[经] 排出率 ; 排泄率

nitrogen excretion 氮排泄

excretion pyelography 排泄性肾盂造影术

excretion coefficient 排挤系数

low excretion 减排

fluoride excretion 氟排泄的

Sweat is an excretion.

汗是一种排泄物。

The excretion of methyl mercury becomes very difficult because of high enterohepatic circulation and reabsorption by proximal convoluted tubule.

由于甲基汞在体内的肠肝循环和肾脏近曲小管对甲基汞的重吸收效率高，使甲基汞的体外排泄十分困难。

Chronic exposure to Cd mainly causes the renal proximal tubule damage, which represents that the excretion of proteinuria, glucosuria and aminoaciduria.

慢性接触镉主要引起肾小管损伤，表现为蛋白尿、糖尿和氨基酸尿。