A subcutaneous abscess is an abscess located in the subcutaneous tissue (also hypodermis). The wall of the body consists of a thin cuticle over a syncytical hypodermis. It occurs chiefly in hypodermis of stems and leaves. The cells that line the sclerotic hypodermis are elongated and tend to be hardened. Skin is composed of three primary layers&colon; the epidermis, the dermis and the hypodermis. The hypodermis acts as an energy reserve. The types of cells found in the hypodermis are fibroblasts, adipose cells, and macrophages. The skin is made up of three microscopic layers&colon; epidermis, dermis, and hypodermis. Local anesthetics are often infiltrated into the dermis and hypodermis. The hypodermis consists primarily of loose connective tissue. The hypodermis, otherwise known as the subcutaneous layer, is a layer beneath the skin. The deepest layer, the hypodermis, is primarily made up of adipose tissue. The hypodermis is beneath the dermis which is beneath the epidermis. The hypodermis participates, passively at least, in thermoregulation since fat is a heat insulator. In arthropods, the hypodermis is an epidermal layer of cells that secretes the chitinous cuticle.