Outermost layer of the skin without blood vessels and several layers of cells in vertebrates (noun)
Looking for the answer to the USA Today Rootonym clue “Outermost layer of the skin without blood vessels and several layers of cells in vertebrates (noun)”? The solution is EPIDERMIS, a 9-letter word built on the root DERM (“skin”). It appeared in the September 5, 2026 (Saturday) USA Today Rootonym. See the full puzzle for that day's other words.
In a sentence
The EPIDERMIS on Matt's knee never heals during baseball season because he often slides into bases.
About this clue
The Rootonym clue “Outermost layer of the skin without blood vessels and several layers of cells in vertebrates (noun)” has the answer EPIDERMIS (9 letters), built on the root DERM, which means “skin”. Browse the full September 5, 2026 Rootonym puzzle for the other three words, or see all Rootonym answers.