Basic Terminology Flashcards
What are the 3 primary layers of the skin?
Epidermis, dermis, subcutaneous tissues
Which layer helps insulate against the cold?
Subcutaneous layer
Which layer is the avascular superficial layer of the skin?
epidermis
Which layer serves as a food reserve?
Subcutaneous layer
Which layer contains the blood vessels, nerves, and appendages?
dermis
What are some of the appendages that are in the dermis?
Sweat glands
Sebaceous glands
Hair follicles
nails
What area of the body are you looking right into the dermis?
finger nails
Pigment producing melanocyte in this layer provide protection from UV rays.
epidermis
What type of cells in the epidermis are an important component of the immunologic barrier in the skin?
Langerhans cells
How are blood vessels arranged in the dermis?
Two horizontal plexuses one on top of the others
Why are blood vessels arranged as two horizontal plexuses in the dermis?
Blood shunted to the superficial layer allows for heat loss,
Blood shunted to the deeper layer conserves heat
What are the four primary terms to describe skin eruptions?
macule
papule
Vehicle
pustule
What is the most common non-pathologic skin eruption?
macule
Freckles are an example of _____.
macules
Which eruption is filled with serous fluid?
vesicle
A small pus filled elevation of the skin.
pustule
Small fluid filled elevation of the skin
vesicle
What is another name for blisters?
bullae
Blisters/bullae are larger versions of?
vesicle
Pimples are examples of?
pustule
Herpes simplest, chicken pox or herpes zoster are examples of?
vesicle
Cherry angioma are examples of what?
macule
A solid elevation of skin less than one centimeter in diameter.
papule
A loss of pigment in large area is called?
Plaque or nevi/nevus
