The small vessels of the skin and mucous membranes in presenile and senile age.
D000368:Aged; D000375:Aging; D002196:Capillaries; D003228:Conjunctiva / Q000098:blood supply; D006801:Humans; D008875:Middle Aged; D009092:Mucous Membrane / Q000098:blood supply*; D009262:Nails; D012867:Skin / Q000098:blood supply*