papillary layer
Hair cells
keratin
Simple, squamous epithelium which makes it easy for respiratory gases to diffuse across.
They are composed of a protein called keratin.
simple squamous epithelium
Keratinocytes or squamous cells produce keratin and Melanocytes produce melanin, pigment.
The epidermis consists of stratified squamous epithelium cells. These cells in the epidermis are dead cells surrounded by the protein keratin.
Stratified layers of squamous epithelial cells make up the upper dermis. The further up, the more keratin is found in them until the very top layers which are nonliving and completely filled with keratin making them keratinized.
Hair cells
Cheek cells
keratin
Simple, squamous epithelium which makes it easy for respiratory gases to diffuse across.
nicolas cage
the addition of keratin to the stratified squamous epithelial cells in the epidermis. Begins in the stratum spinosum and continues into the stratum granulosum.
They are composed of a protein called keratin.
Squamous cells are flat. If you take a swab of your check, you can see cells that fit this description under a microscope.
simple squamous epithelium