Skin

blue; from oxygen deficiency

red; dilated cutaneous vessels

yellow; excess bilirubin

gold-brown; deficient gluecorticoid hormone

pale; lack of blood flow

genetic lack of melanin

bruise, clotted blood

birthmarks

aggregation of melanocytes

• patterns formed during
• fetal development

repeated closing of hand

formed in wrist and elbows

Growing phase 6-8 yr .deep into dermis, keratinize

2-3 weeks, hair growth stops more fragile

hair falls out

fine, unpigmented fetal hair

fine hair in women+kids

Coarse, long, pigmented hair