phacellus
Pha*cel"lus, n.; pl. Phacelli. Etym: [NL., fr. Gr. (Zoöl.) Defn: One of the filaments on the inner surface of the gastric cavity of certain jellyfishes.
Pha*cel"lus, n.; pl. Phacelli. Etym: [NL., fr. Gr. (Zoöl.) Defn: One of the filaments on the inner surface of the gastric cavity of certain jellyfishes.