noun
fascia
FAY-shuh/ˈfeɪʃə/
A layer of connective tissue surrounding muscles, organs, or other body structures.
A thin layer of fascia surrounds and supports each muscle.

Etymology
Latin fascia meant a band or bandage, including a wrapping for the body. The anatomical sense applies that wrapping image to the connective tissue surrounding muscles or organs.
In context
you have the deep fascia which is a connective tissue layer which surrounds organs such as your muscle
More examples
- The surgeon carefully separates the fascia from the underlying muscle.
- The fascia in her foot becomes sore after long runs.
- Layers of fascia help hold the organs in place.
Forms
fascia · fasciae · fascias
fascial adjective — Relating to layers of connective tissue.