EPIDERMIS
where is the epidermis located?
it is superficial to the dermis and subcutaneous layer.
between epidermis and hypodermis
where is the hypodermis located?
superior to the epidermis and dermis
is the epidermis vascular or avascular?
avascular
how many layers are within the dermis?
how many layers are within the epidermis?
none
what is the major cell type of the epidermis?
keratinocytes
what type of tissue is papillary and reticular tissue composed of?
papillary (superficial): areolar connective tissue
reticular (deep): dense irregular connective tissue
what is the subcutaneous layer composed of?
areolar and adipose connective tissue
what are the 5 layers of THICK skin, ordered from superficial to deep?
Stratum Corneum
Stratum Lucidum
Stratum Granulosum
Stratum Spinosum
Stratum Basale
what are some functions of the dermis?
what are the functions of the subcutaneous layer?
- pads and protects the body
- acts as an energy reservoir
- provides thermal insulation
what are the 4 layers of THIN skin, ordered from superficial to deep?
Stratum Corneum
Stratum Granulosum
Stratum Spinosum
Stratum Basale
which appendages of skin does the dermis contain?
hair follicles and glands (sweat and sebaceous)
is the subcutaneous layer part of the integumentary system?
it is not typically considered part of the integumentary system