tube

anatomical tube

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

Type Organ
Structure parente anatomical conduit
Nom latin anatomical tube

Questions fréquentes

What defines an anatomical tube?
An anatomical tube is any hollow, cylindrical structure with an internal lumen (channel) through which fluids, gases, or other materials are transported. Examples span all organ systems: blood vessels, airways, the gastrointestinal tract, ureters, fallopian tubes, and renal tubules.
How are anatomical tubes structured at the histological level?
Most anatomical tubes share a layered wall organization: an innermost epithelial lining (mucosa or endothelium), a connective tissue layer (submucosa or adventitia), and often a muscular layer enabling peristalsis or vasomotion. The specific layers vary by organ system and functional requirements.
What mechanisms move substances through anatomical tubes?
Transport through anatomical tubes occurs via several mechanisms: hydrostatic pressure (blood vessels), peristalsis via smooth muscle contraction (gastrointestinal tract, ureters), ciliary action (airways, fallopian tubes), concentration gradients (renal tubules), and gravity-assisted flow (bile ducts, salivary ducts).

Structures associées

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Data sources: Terminologia Anatomica, Foundational Model of Anatomy, Wikidata.