The Collaborative International Dictionary
Ecteron
Ecteron \Ec"ter*on\, n. [See Ect-.] (Anat.) The external layer of the skin and mucous membranes; epithelium; ecderon. -- Ec`ter*on"ic, a.
Wiktionary
ecteron
n. (context anatomy English) The external layer of the skin and mucous membranes; epithelium; ecderon.