The term ‘pertaining to within the skin’ refers to aspects that are related to the inner layers of the skin, including the dermis and subcutaneous tissue. This phrase is often used in medical or biological contexts to describe conditions, treatments, or observations that are focused on deeper skin structures rather than just the superficial epidermis.
For instance, when discussing skin diseases or dermatological procedures, one might need to consider the effects on the dermis, where connective tissue, blood vessels, and nerves are located. Understanding what lies ‘within the skin’ is crucial for diagnosing issues like infections, inflammation, or tumors that might not be visible from the surface but can have significant implications for skin health.