epitrichium
noun
ep·i·trich·i·um
ˌep-ə-ˈtrik-ē-əm 
: an outer layer of the epidermis of the fetus of many mammals beneath which the hair develops
Cite this Entry
“Epitrichium.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/epitrichium. Accessed 25 May. 2025.
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