segment
noun
one of the parts into which something naturally separates or is divided; a division, portion, or section.
Used to describe actions that started in the past and continue into or have direct relevance to the present.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The body has segmented muscles running along it from top to bottom.
From Textbooks ● Jan. 1, 2015