the addition of keratin to the stratified squamous epithelial cells in the epidermis. Begins in the stratum spinosum and continues into the stratum granulosum.
Just took a quiz on this.. the answer is.. Keratinization is the result of Vitamin A deficiency
They produce nails :)
toxicity of vitamin A
keratin through the process of keratinization
Increased risk of respiratory infections.
Parakeratosis is the incomplete keratinization of epidermal cells characterized by retention of nuclei within cells.
Earl O. Butcher has written: 'Fundamentals of keratinization'
stratum basale: youngest karatincytes made by stem cells.
keratinization
Keratinization starts when protein in the form of food is digested and the body breaks it down into amino acids. These enter the blood stream and are carried to the papilla and the matrix at the base of the follicle where cells are formed that will eventually create hair.
Cells found in Stratum Granulosum of Epidermis of skin, and these cells are basophil and suspected to play role in keratinization.
I believe that the esophagus does not change to squamous as it already contains stratified squamous epithelium (keratinization depends on species and diet) post- soft palate. I believe that the esophagus does not change to squamous as it already contains stratified squamous epithelium (keratinization depends on species and diet) post- soft palate.