great question, I found your question while searching for the same answer you are. Small world.....(dental hygiene histology Braun??)

The renal papilla empties urine into the

Fungiform papilla are taste buds

During the bell stage of tooth development, the dental lamina differentiates into enamel organ and dental papilla. The enamel organ forms different cell layers including outer enamel epithelium, stellate reticulum, stratum intermedium, and inner enamel epithelium. The dental papilla gives rise to dentin and pulp tissue.

The plural form of papilla is papillae.