surface epithelium n.
Epithelium covering the embryonic genital ridges and the gonads that develop from them. Also called germinal epithelium.
surface epithelium of proboscis, modified ciliated columnar.
Other antiseptics, as is well known, act on the surface epithelium only.
Mucous glands in the surface epithelium secrete a sticky fluid which covers the body and to which tiny sand grains stick.