icu i s s u e s & a n s w e r s 2 Pulse Oximeter: A small probe attached to the finger, nose, or ear that helps monitor the oxygen in the blood and the patientâs pulse.
In this Article. Your skin is the largest organ of your body, made up of several different components, including water, protein, lipids, and different minerals and chemicals. Its job is crucial: to protect you from infections and other environmental assaults. The skin also contains nerves that sense cold, heat, pain, pressure, and touch.
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.