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|Noun||1.||tube-shaped structure - (anatomy) any hollow cylindrical body structure|
anatomical structure, bodily structure, body structure, complex body part, structure - a particular complex anatomical part of a living thing; "he has good bone structure"
tubule - a small tube
salpinx - a tube in the uterus or the ear
cochlea - the snail-shaped tube (in the inner ear coiled around the modiolus) where sound vibrations are converted into nerve impulses by the organ of Corti