The membranous layer or stratum membranosum is the deepest layer of
subcutaneous tissue
The subcutaneous tissue (), also called the hypodermis, hypoderm (), subcutis, superficial fascia, is the lowermost layer of the integumentary system in vertebrates. The types of cells found in the layer are fibroblasts, adipose cells, and mac ...
. It is a fusion of fibres into a homogeneous layer below the adipose tissue, for example, superficial to muscular fascias.
It is considered a
fascia
A fascia (; plural fasciae or fascias; adjective fascial; from Latin: "band") is a band or sheet of connective tissue, primarily collagen, beneath the skin that attaches to, stabilizes, encloses, and separates muscles and other internal organ ...
by some sources, but not by others. However, prominent areas of the membranous layer are called fascias; these include the
fascia of Scarpa
The fascia of Scarpa is the deep membranous layer ''(stratum membranosum)'' of the superficial fascia of the abdomen. It is a layer of the anterior abdominal wall. It is found ''deep'' to the fascia of Camper and ''superficial'' to the external ...
in the abdomen and the
fascia of Colles
The membranous layer of the superficial fascia of the perineum (Colles' fascia) is the deeper layer ( membranous layer) of the superficial perineal fascia. It is thin, aponeurotic in structure, and of considerable strength, serving to bind down th ...
in the perineum.
References
Skin anatomy
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