the most superficial layer of the skin what is the most superficial layer of skin the most superficial layer of the epidermis next most commonly used large and superficial which is the most superficial layer of skin most superficial tunic most superficial epidermal layer most superficial muscle of the posterior calf most superficial mbti most superficial layer of dermis most superficial abdominal muscle most superficial layer of meninges most superficial layer of the heart most superficial structure in thoracic inlet