A tubular structure that transports secreted or excreted substances.

A tube shaped portion of tissue lined with epithelial cells that collects secretions and routes them to their destination[ZFA:0005171].

Most ducts, but not all, are exocrine gland ducts. Some ontologies classify structures such as the oviduct here.

anatomical duct

exocrine duct, exocrine gland duct

uberon

ducts

UBERON:0000058

http://purl.obolibrary.org/obo/uberon.owl, http://purl.obolibrary.org/obo/cl.owl

• exocrine gland

• duct epithelial cell
• epithelial layer of duct