This site is intended for healthcare professionals
Last reviewed dd mmm yyyy. Last edited dd mmm yyyy
The hypodermis is the layer of loose connective tissue immediately deep to the dermis of the skin. A lay term for this region that should be avoided is that of 'subcutaneous tissue' which could imply any tissue deep to the hypodermis. It has lead to hypodermal injections being termed 'subcutaneous'. The anatomical terms for this region are superficial fascia and panniculus adiposus. However, the latter is preferred as superficial fascia bears little comparison to the deep fascia.
The hypodermis contains: