OSMT (Ontario Society of Medical Technologists) Practice Exam

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What is the composition of the subcutaneous layer of the skin?

Composed of the stratum corium
Composed of loose connective tissue
Contains papillae
Contains pressure receptors

The correct answer is: Composed of loose connective tissue

The subcutaneous layer of the skin, also known as the hypodermis, is primarily composed of loose connective tissue. This layer functions as a buffer between the skin and underlying structures. It contains fat cells (adipocytes) that help to insulate the body and store energy, as well as connective tissue that provides support and elasticity. The loose structure allows for flexibility and movement, which is vital for skin mobility and overall body movement. In addition, while the subcutaneous layer may contain some structures related to pressure sensation, such as mechanoreceptors, its primary defining feature is the composition of loose connective tissue. The other elements mentioned in the options relate to different layers or structures within the skin. For example, the stratum corium relates to the dermis, and papillae are features of the dermal papillae that protrude into the epidermis.