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Dictionary of invertebrate zoology
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adj. [L. ab, from; os, mouth]
1. Pertaining to, or situated away from the mouth; surface opposite the mouth.
2. (ECHINODERMATA: Asteroidea)
The surface opposite that bearing the mouth and ambulacral grooves; abactinal; apical; dorsal; see oral.

Оригинал статьи 'aboral' на сайте Словари и Энциклопедии на Академике