Which layer is responsible for the sensation of touch?

The dermis is the layer of skin that is primarily responsible for the sensation of touch. This layer contains a dense network of nerve endings that respond to tactile stimuli, allowing us to perceive sensations such as pressure, vibration, and texture. Additionally, the dermis houses various structures such as hair follicles, sweat glands, and sebaceous (oil) glands, which all play roles in skin physiology.

The epidermis, on the other hand, is the outermost layer of skin and acts as a protective barrier. While it does contain some sensory receptors, these are not as extensive or specialized as those found in the dermis.

The stratum granulosum is a specific layer within the epidermis and is part of the process of keratinization, where the skin cells begin to die and form a water-resistant barrier. It does not play a significant role in the sensation of touch.

The subcutaneous layer, also known as the hypodermis, lies beneath the dermis and primarily consists of fat and connective tissue. While it provides insulation and cushioning for the body, it is not directly involved in the sensation of touch.

In summary, the dermis is the key layer containing the nerve endings and tactile receptors necessary for touch perception, making