Exocrine gland Exocrine gland Exocrine glands are glands that produce and secrete substances onto an epithelial surface by way of a duct. Examples of exocrine glands include sweat, salivary, mammary, ceruminous, lacrimal, sebaceous, and mucous. Exocrine glands are one of two types of glands in the human body, the other being endocrine glands, which secrete their products directly into the bloodstream. The liver and pancreas are both exocrine and endocrine glands; they are exocrine glands because they secrete products—bile and pancreatic juice—into the gastrointestinal tract through a series of ducts, and endocrine because they secrete other substances directly into the bloodstream. Exocrine
Traditional Chinese medicines derived from the human body parts of the human body should be used as drugs, such as bone, flesh, and gall. This is really very rude and inhuman. In the present category, all parts of the human body that have been used as drugs are recorded. The use of drugs from the human body that is not contrary to morality is recorded in detail. Those drugs that are cruel or foul [慘忍邪穢] are not recorded in detail. But all of them are listed in this category. (tr. Luo 2003: 4133) Li does not give prescriptions for 12 of the 35 human drugs, which he considered