ANATOMY

Detailed explanation-1: -The epidermis does not contain blood vessels; instead, cells in the deepest layers are nourished by diffusion from blood capillaries that are present in the upper layers of the dermis.

Detailed explanation-2: -This part of the skin does not contain any blood vessels and is, therefore, dependent on the dermis, which is the layer of the skin located directly underneath the epidermis, to provide access to nutrients and dispose of waste.

Detailed explanation-3: -The second layer of the skin (located under the epidermis) is called the dermis; it contains collagen and elastin, blood vessels, lymph vessels, nerve endings, sweat glands, sebaceous (oil) glands, and hair follicles.

Detailed explanation-4: -As well as the cornea, other areas of the body that don’t have blood vessels include hair, nails, tooth enamel and the outer skin layers.