泪腺排泄小管 [解剖] excretory ductules of lacrimal gland ; [解剖] ductuli excretorii glandulae lacrimalis
位于皮肤表面的小孔，毛发就是由此长出的，皮脂腺分泌的皮脂也是通过毛孔排泄到皮肤表面的。
The tiny shaft in the skin through which a hair grows, and sebum is excreted from sebaceous glands to the surface of the skin.
在外胚层和内胚层之间是中胚层，它形成肌肉、生殖腺、血管和排泄器官。
Between the ectoderm and endoderm is mesoderm, which forms the muscles, reproductive organs, blood vessels and excretory organs.
生殖腺开口于近腹部基部，排泄器官通常为马氏管。
The gonads open near the base of the abdomen and the excretory organs are usually Malpighian tubules.
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