Untitled Flashcards Set

What is the top layer of skin called?

Epidermis

What type of tissue comprises the epidermis?

Stratified squamous epithelial tissue

How many layers does the epidermis have?

5 layers

What is the stratum basale known for?

It is the bottom layer where new skin cells (keratinocytes) are made through cell division (mitosis).

What pigment do melanocytes in the stratum basale produce?

Melanin

What is the main function of the stratum spinosum?

Cells in this layer start making keratin and are connected by desmosomes.

What happens to the cells in the stratum granulosum?

Cells begin to flatten, die, and undergo apoptosis.

Which layer of the epidermis is found only in thick skin?

Stratum lucidum

What is the outermost layer of the epidermis called?

Stratum corneum

What type of tissue is the dermis made of?

Connective tissue

What does the papillary layer of the dermis contain?

Capillaries, sensory receptors, and dermal papillae.

What is the function of the reticular layer of the dermis?

Provides strength, elasticity, and structural support to the skin.

What is the purpose of the Rule of 9's in burn assessment?

To estimate how much of the body is burned and to assess the total body surface area (TBSA) affected.

What percentage of TBSA does the head and neck account for in adults?

9%

How much of the TBSA does each lower limb represent?

18%