Uniformity of dextrogyrate screw-like ascent of sweat ducts in the epidermis.
D000818:Animals; D004848:Epithelium / Q000033:anatomy & histology*; D000882:Haplorhini; D006801:Humans; D012867:Skin / Q000033:anatomy & histology*; D013545:Sweat Glands / Q000033:anatomy & histology*