not every anatomical conduit is a tube - for example, a bone foramen is an opening in the bone, and there is no distinct separate tube structure. Tubes may transport large mixed objects (for example, a bolus of food in the digestive tube) or they may transport the secretions of a single gland (for example, gland ducts)

Any hollow cylindrical anatomical structure containing a lumen through which substances are transported.

anatomical tube

duct

uberon

tubular

UBERON:0000025

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

• subdivision of tube

• tube development

• tube formation

• tube morphogenesis

• subdivision of tube