Enter a clue or pattern or both:
The Clue
Innermost part of an artery (6 letter answer)
The Answer
INTIMA
Tags
Notes
The answer INTIMA is so rare that it appears less than once every 2500 puzzles.
Definition
INTIMA as a noun:
1. the innermost membrane of an organ (especially the inner lining of an artery or vein or lymphatic vessel)