papillary

/ˈpæpɪlɛri/
adjective
  1. Relating to or having small, nipple-like bumps or projections (papillae).
    • Papillary muscles in the heart help control the valves during each heartbeat.
    • The papillary layer of the skin contains blood vessels that nourish the outer skin.
    • A papillary rash may appear as small, raised bumps on the skin.
What does "papillary" mean? | whatsthatwordmean | whatsthatwordmean