Allow me to introduce myself
What does the integument consist of?
Cutaneous layer and accessory structures
What is the first stratum that produces stems cells which turn into epithelial cells?
Stratum germinativum/basale
What cell produces melanin?
Melanocyte
What are the two layers of the dermis?
Papillary and reticular layer
What is the name of the most common form of skin cancer?
Basal cell carcinoma
What are the two layers of the cutaneous membrane?
Epidermis and dermis
How many layers does thin skin have?
4
What type of radiation activates melanocytes to produce melanin?
Ultraviolet (UV) radiation
What does the papillary layer contain?
What are the most energetic rays on the electromagnetic spectrum?
Gamma rays
What is the thickest part of the integument?
Dermis
How many layers does thick skin have?
5
False
What does the reticular layer consist of?
True or False. Merocrine sweat glands discharge their secretions into the hair follicle
False. Directly onto the skin
In order from deep to superficial, name the three layers of the integument.
Hypodermis, dermis, epidermis
From a person developing skin cancer
What is connected to hair that releases sebum (oily substance)?
Sebaceous gland
Where are apocrine sweat glands found?
Armpits, around nipples, and in the groin
Based on slide 2 in the lecture, what are the three accessory structures that are referenced?
Hair, nails, and a variety of exocrine glands
What gives the palms of the hands and soles of the feet friction ridges?
Dermal papillae
What type of Ultraviolet radiation penetrates and damages the dermis?
UVA
What is the purpose of the arrector pili muscle?
To make hair stand straight up when cold or scared.
Where are keratinized cells of hair produced?
The matrix inside the hair follicle