Doctors often break down low blood pressure (hypotension) into categories, depending on the causes and other factors. Some types of low blood pressure include: Low blood pressure on standing up (orthostatic, or postural, hypotension). This is a sudden drop in blood pressure when you stand up from a sitting position or after lying down.
The dermis is the middle layer of skin. It is a diverse combination of blood vessels, nerves, hair follicles and sebaceous (or oil) glands. The proteins collagen and elastin are found in the dermis. They provide support and elasticity to the skin. The sun's rays can break down these proteins and, eventually, the skin begins to wrinkle and sag.
1. The dermis binds the epidermis to underlying tissues. 2. The dermis consists of connective tissue with collagen and elastic fibers within a gel-like ground substance. 3. Dermal blood vessels carry nutrients to upper layers of skin and help to regulate temperature. 4.