Dorsiventral

A dorsiventral (Lat. dorsum, "the back", venter, "the belly") organ is one that has two surfaces differing from each other in appearance and structure, as an ordinary leaf.^[1] This term has also been used as a synonym for dorsoventral organs, those that extend from a dorsal to a ventral surface.^{[citation needed]} This word is also used to define body structure of an organism, e.g. flatworm have dorsiventrally flattened bodies.^[2]

References

1.  One or more of the preceding sentences incorporates text from a publication now in the public domain: Chisholm, Hugh, ed. (1911). "Dorsiventral". Encyclopædia Britannica. Vol. 8 (11th ed.). Cambridge University Press. p. 436.
2. Oldeman, Roelof. Forests: Elements of Silvology. p. 151.