On the flip side, if youâre not closely monitoring your blood sugar levels, they can drop too low. 1  Warning signs of low blood sugar, or hypoglycemia, include: 2  Dizziness. 3  Irritability. 4  Sweating. 5  Weakness. 6  Lack of coordination.
1. Epidermis. This outer (superficial) layer of skin, composed of keratinized stratified squamous epithelium, derives from embryonic surface ectoderm. It is avascular, receiving nourishment from vessels in the underlying dermis. Its only innervation (nerve supply) is by unencapsulated (free) nerve endings.
The inner layer of the skin, the subcutis, contains fat that protects us from trauma. Key Terms. epidermis: The outermost layer of the skin. subcutis: The inner layer of skin that is also called the hypodermis or subcutaneous layer. dermis: The middle layer of the skin. cutaneous membrane: The formal name for the skin.