In by Jackie Dunn

The band running horizontally and positioned vertically under a roof edge, or that which forms the outer surface of a cornice. Fascia board caps the rafter ends of a roof structure and may be used to hold a gutter. The area below the fascia may be referred to as the eave.

Merriam-Webster Online Dictionary
fascia (noun)
a flat usually horizontal member of a building having the form of a flat band or broad fillet as
a) a flat piece used as a molding
b) a horizontal piece (as a board) covering the joint between the top of a wall and the projecting eaves - called also fascia board
c) a nameplate over the front of a shop
a sheet of connective tissue covering or binding together body structures (as muscles) , also tissue of this character
British the dashboard of an automobile
fascia (Wikipedia)
The rectus sheath, an example of a fascia.
Precursor mesenchyme
Latin fascia
MeSH D005205
FMA 30318
Anatomical terminology

A fascia (/ˈfæʃ(i)ə/; plural fasciae /ˈfæʃii/; adjective fascial; from Latin: "band") is a band or sheet of connective tissue, primarily collagen, beneath the skin that attaches, stabilizes, encloses, and separates muscles and other internal organs. Fascia is classified by layer, as superficial fascia, deep fascia, and visceral or parietal fascia, or by its function and anatomical location.

Like ligaments, aponeuroses, and tendons, fascia is made up of fibrous connective tissue containing closely packed bundles of collagen fibers oriented in a wavy pattern parallel to the direction of pull. Fascia is consequently flexible and able to resist great unidirectional tension forces until the wavy pattern of fibers has been straightened out by the pulling force. These collagen fibers are produced by fibroblasts located within the fascia.

Fasciae are similar to ligaments and tendons as they have collagen as their major component. They differ in their location and function: ligaments join one bone to another bone, tendons join muscle to bone, and fasciae surround muscles and other structures.

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