表皮
anatomy
artery
background
black
blood
cell
color
corpuscle
cross
crosstown
dermis
drawing
erector
fat
fiber
follicle
gland
grease
hair
human
illustration
image
layer
medical
muscle
nerve
nobody
painting
papilla
pigment
pore
science
scientific
sebaceous
section
sense
sensory
shaft
skin
stratum
subcutaneous
sweat
tiger
tissue
touch