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.
Skin is the body's largest organ. It comprises three layers: the epidermis, the dermis and the subcutaneous layer. The epidermis is the outermost layer of skin, composed of cells called epithelial cells.The dermis, the layer underneath the epidermis, contains blood vessels, lymphatic tissue, nerves, sweat glands, hair follicles and sebaceous glands-glands that produce and secrete oil to protect against bacteria.The third layer, the subcutaneous layer, is a supporting layer of fatty tissue.kin is the body's largest organ. It comprises three layers: the epidermis, the dermis and the subcutaneous layer. The epidermis is the outermost layer of skin, composed of cells called epithelial cells.