<Tr> <Th> FMA </Th> <Td> 9596 </Td> </Tr> <Tr> <Td_colspan="2"> Anatomical terminology (edit on Wikidata) </Td> </Tr> <P> 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 . </P> <P> Exocrine glands contain a glandular portion and a duct portion, the structures of which can be used to classify the gland . </P>

What are two types of exocrine glands found in the skin
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