The Skin Flashcards
Cutaneous membrane
Another word for skin
Epidermis
topmost layer
2 dermal layers
papillary and reticular
Integument
tough outer protective layer (skin) that covers an organism
Papillary layer
superficial of two dermis layers. deep to epidermis. composed of highly vascular loose tissue
reticular layer
deep dermal layer, forming a thick layer of dense connective tissue forming the bulk of the dermis
subcutaneous layer/hypodermis
Deepest layer of skin. Composed mostly of adipose and connective tissue. Acts as a layer of insulation to protect your internal organs and muscles from shock and changes in temperature.
muscle attached to hair follicle
arrector pili muscle
lamellated corpuscle (Pacinian corpuscle)
- primary function is sensing of deep touch/pressure or vibration
- located in dermis and hypodermis
tactile corpuscle (Meissner corpuscle)
- concentrated in fingertips
- located at papillary dermis
- detect light touch
cutaneous plexus
network of arteries present along the boarder of the hypodermis
capillary of subpapillary plexus
subpapillary plexus supplies blood to epidermis via capillary in dermal papillae
Thick vs thin skin (dermis size)
- Thick skin has thinner dermis
- Thin skin has thicker dermis
Thick vs thin skin (location)
- Thick skin is only located in high areas of abrasion, fingertips, palms and foot sole
- Thin skin is located everywhere except fingertips, palms and foot sole
Thick vs thin skin (general contents)
- Thick skin doesn’t contain hairs, sebaceous glands or apocrine sweat glands
- Thin skin does