释义 |
opisthobranchiate, a. (n.) Zool.|-ˈbræŋkɪət| [ad. mod.L. Opisthobranchiāta = Opisthobranchia: see prec.] Belonging to the order Opisthobranchiata or Opisthobranchia of gastropod molluscs, comprising aquatic forms having the gills behind the heart. (Also said of the heart in other orders of molluscs when placed as in the Opisthobranchia, i.e. so as to have the gills behind it.) b. n. = prec.
1854Woodward Mollusca ii. 169 Oncidium Typhæ:..Animal oblong, convex;..heart opistho-branchiate. 1877Huxley Anat. Inv. Anim. viii. 506 Strictly speaking, no Odontophoran is other than opisthobranchiate. 1889Athenæum 13 July 67/1 Dr. Pelseneer..maintains..that it is a mistake to regard the Pteropoda as a ‘class’ at all. He considers them as forming two sub-orders of the opisthobranchiate gastropods. |