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.
Epidermis is the outermost layer of the skin and very different compared to the innermost layer called the dermis. The epidermis is a tough layer of skin as it is the one which is continuously exposed to environmental trauma. The epidermis has no blood vessels and is composed of many layers stacked one above the other.It is made up of keratinocytes, melanocytes and other cells.The melanocytes present in this layer give skin the color that we see.he epidermis has no blood vessels and is composed of many layers stacked one above the other. It is made up of keratinocytes, melanocytes and other cells. The melanocytes present in this layer give skin the color that we see.