noun
tissue
TISH-oo/ˈtɪʃuː/
A group of similar cells working together in an organism.
Tightly packed cells form a continuous layer of living tissue.

Etymology
From texere, “to weave,” tissue first named woven fabric. The biological meaning extends that fabric image to the cellular material from which living structures are built.
In context
what can limit blood flow to the brain tissue those cells well number one a blockage of some type in those vessels that feed the brain tissue
More examples
- Muscle tissue contracts to move your bones.
- New tissue gradually fills the wound as it heals.
- Roots contain tissues that carry water through the plant.
Forms
tissue · tissues