papula

[ pap-yuh-luh ]
/ ˈpæp yə lə /

noun, plural pap·u·lae [pap-yuh-lee] /ˈpæp yəˌli/.

one of the small, ciliated projections of the body wall of an echinoderm, serving for respiration and excretion.

Origin of papula

1700–10; < New Latin, Latin: pimple, pustule. See papule
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019