Pinyin/Gland

A gland is an organ in an animal's body that synthesizes a substance such as hormones for release into the bloodstream (endocrine gland) or into cavities inside the body or its outer surface (exocrine gland).

Xiàntǐ shì dòngwù tǐnèi de 1-zhǒng qìguān, yòngyǐ héchéng wùzhì rú jīsù shìfàng dào xuèliúxìtǒng (nèifēnmìxiàn) huò jìnrù shēntǐ nèibù kōngqiāng huò wàibù biǎomiàn (wàifēnmìxiàn).