endostyle
En"do*style, n. Etym: [Endo- + Gr. (Zoöl.) Defn: A fold of the endoderm, which projects into the blood cavity of ascidians. See Tunicata.
En"do*style, n. Etym: [Endo- + Gr. (Zoöl.) Defn: A fold of the endoderm, which projects into the blood cavity of ascidians. See Tunicata.