Dermis & Subcutaneous Layers
if blood spurts from a cut, where is it cut?
an artery
what is the papillary layer made of?
areolar tissue (loose connective tissue)
damage to blood vessels resulting in "black and blue" bruising is called?
contusion (bruise)
(ARTERIES) a network of arteries along the reticular layer
cutaneous plexus
what is the reticular layer made of?
dense irregular tissue
what projects between the ridges of the papillary layer?
dermal papillae
an inflammation of the papillary layer
dermatitis
what is located between the epidermis and subcutaneous layers?
dermis
what makes up the hypodermis?
elastic, areolar, and adipose tissue (+ ct fibers)
what layer has few capillaries and no vital organs?
hypodermis (subcutaneous)
what layer lies below the integument, stabilizes skin, and allows separate movement?
hypodermis (subcutaneous)
hair, hair follicles, sebaceous glands, sweat glands, and nails are all...
integumentary accessory structures
the alignment of bundles of reticular and collagen fibers which establish important patterns, heal faster, and scar less
lines of clevage
(KEY CONCEPT) the dermis contains...
many types of sensory receptors
(KEY CONCEPT) what does the dermis provide?
mechanical strength, flexibility, and protection
what controls blood flow, gland secretions, and sensory receptors?
nerve fibers
(ARTERIES) capillary network from small arteries in papillary layer
papillary plexus
A =
Assymetrical
B =
Border
C =
Color
D =
Diameter
E =
Evolution
tactile disks monitor...
Merkel cells
if blood flows from a cut, where is it cut?
a vein
what tissue makes up deposits of subcutaneous fat?
adipose tissue
capillary return deep to the papillary plexus, is called?
venous plexus
(KEY CONCEPT) is the dermis highly vascularized?
yes