The space within a tubelike structure is the:
A) sinus.
B) lumen.
C) hilum.
D) vestibule.

Name: The space within a tubelike structure is the: A) sinus. B) lumen. C) hilum. D) vestibule.
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Question

Quizplus · Accepted Answer

The term "lumen" refers to the space within a tube-like structure, such as a blood vessel or intestine. A sinus refers to a cavity within a bone, while a hilum is a depression where vessels enter or exit an organ. A vestibule is an entrance area or a space between two structures.

The Space Within a Tubelike Structure Is The