urochord | (n) a notochord of a larval tunicate typically confined to the caudal region |
urochordata | (n) tunicates, Syn. Urochorda, subphylum Tunicata, Tunicata, subphylum Urochorda, subphylum Urochordata |
Urochord | n. [ 2d uro- + chord. ] (Zool.) The central axis or cord in the tail of larval ascidians and of certain adult tunicates. |
Urochordal | a. (Zool.) Of or pertaining to the Urochorda. [ 1913 Webster ] |
Urochordata | |
尾索類 | [びさくるい, bisakurui] (n) urochordates [Add to Longdo] |