The ultrastructure of the skin of human embryos. I. The intraepidermal eccrine sweat duct.
D006801:Humans; D008854:Microscopy, Electron; D012867:Skin / Q000033:anatomy & histology* / Q000196:embryology*; D013545:Sweat Glands / Q000033:anatomy & histology* / Q000196:embryology*