The Integumentary System

The layer of the skin just deep to the epidermis, containing blood vessels, and making skin elastic.

• stratum corneum

• dermis

• papillary layer

The type of epidermis with five named layers, and only found on the palms of the hands, and the soles of the feet.

• thin skin

• thick skin

• glam skin

The tissue type found in the epidermis.

• stratified squamous epithelium

• simple squamous epithelium

• pseudostratified squamous epithelium

This is the deepest layer of the epidermis is made of just one layer of cells that are actively dividing to produce cells that get pushed out of the other layers.

• stratum corneum

• stratum basale

• stratum granulosum

This layer of epidermal cells is held together by protein fibers and is the layer just superficial to the layer where active cell division is occurring.

• stratum lucidum

• stratum spinosum

• stratum basale

The so-called "clear layer" of the epidermis, these 2-3 layers of keratinocytes are only found in thick skin on the palms of the hands and soles of the feet.

• stratum lucidum

• stratum spinosum

• stratum basale

This layer of epidermal cells look grainy because the cells are producing large amounts of keratin before they die.

• stratum lucidum

• stratum spinosum

• stratum granulosum

Epidermal cells that work with neurons to provide sensation for a lighter touch.

• adipocytes

• Merkel cells

• Langerhans cells

The most superficial layer of the epidermis, made of 20-30 layers of dead keratinocytes that eventually slough off, its name means "horny layer".

• stratum corneum

• stratum spinosum

• stratum granulosum

The organ system that includes your skin, hair, nails, sweat glands, and oil glands.

• nervous system

• keratinous system

• integumentary system