skin structure
What are the three main layers of the skin?
The epidermis, dermis, and hypodermis (subcutaneous).
What is one protective function of the skin?
Resistance to trauma or infection. Also moisture regulation, UV protection, immune surveillance, thermal regulation, and sensory perception
What type of hair is fine and unpigmented; present in fetuses?
Lanugo
What is the growth zone of a nail called?
What pigment primarily determines skin color?
Melanin
Which layer of the skin is composed of keratinized stratified squamous epithelium?
Epidermis
How does the skin contribute to thermal regulation?
Regulates blood flow and sweating.
After puberty, which type of hair develops in the axillary and pubic regions?
Terminal hair
What is the term for the narrow zone of dead skin at the proximal end of the nail?
Cuticle or eponychium
What is yellowing of skin due to bilirubin in the blood?
Jaundice