Subcutaneous Tissue
This cell is also used to supervise the outer skin from burns and other such articulates.
The hypodermis is used mainly for fat storage.
A layer of tissue that lies immediately below the dermis of vertebrate skin. It is often referred to as subcutaneous tissue though this is a less precise and anatomically inaccurate term. The hypodermis consists primarily of loose connective tissue and lobules of fat. It contains larger blood vessels and nerves than those found in the dermis.
Subcutaneous fat is found just beneath the skin as opposed to visceral fat which is found in the peritoneal cavity. Subcutaneous fat can be measured using body fat calipers giving a rough estimate of total body adiposity. This fat aids in the process of homeostasis, by forming a layer of insulation to slow heat loss.
Body fat is cited within the aquatic ape hypothesis as the result of adaptation to aquatic environments, as a means of streamlining and insulation. Others have pointed out in response that the subcutaneous fat distribution in humans is more similar to a domesticated animal than an aquatic one, and is nearly identical to that of other primates. The subcutaneous fat of aquatic mammals and humans also seems to serve different uses - it forms the streamlined shape of seals, while in humans it is used for sexual selection; humans display considerable sexual dimorphism in their fat distribution, which is not explained by the aquatic ape hypothesis.
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