Function
What is the function of elastic fibers in the skin?
Elasticity, stretchy
Fibroblast produces what two protein fibers in the dermis?
Collagen and elastin
What type of cell shape does the stratum basale contain?
Cuboidal
The skin is composed of what two layers?
Epidermis, dermis
What are the three stages of hair growth?
Growing, resting, dying(falling out)
The stratum basale dips into the dermis to form what?
Hair follicle
What do melanocytes produce?
Melanin
What cell type in the epidermis is responsible for the skin's pigment?
Melanocytes
The Dermis is composed of what two types of tissue?
Loose/areolar connective tissue and dense irregular connective tissue
Which part of the hair extends out from the skin's surface?
Shaft
What is the purpose of cornification?
To form a durable, waterproof layer on the surface of the skin
What is the function of Dendritic cells?
They alert the body's immune system to pathogens
What is the hard, waterproof protein that fills keratinocytes?
Keratin
Which layer of the epidermis has cells that are actively growing and dividing to produce new epidermis?
The stratum basale
What type of hair is thick, coarse, and heavily pigmented?
Terminal
What is cornification?
The process of epidermal cells filling with keratin and moving to the surface of the epidermis to form a durable waterproof layer
What two things are necessary for collagen production?
Vitamin A and Vitamin C
What type of skin cancer starts in the melanocytes?
Malignant melanoma
The stratum basale lies deep to which layer of the epidermis?
The stratum spinosum
What type of hair is very fine unpigmented and forms on the developing fetus?
Lanugo
What is the function of tactile corpuscles found in the skin?
To allow skin to feel fine touch
What skin infection is caused by a bacterium/bacteria?
Cellulitis
What is the function of the sebaceous gland?
To produce sebum
What type of burn involves the epidermis, the dermis, and the hypodermis?
Third-degree burn
What type of hair is unpigmented, fine, replaces lanugo hair around the time of birth?
Vellus