Aboral

aboral. ... aboral. adj. away from or opposite the mouth (Anatomy, ... 1. opposite to or away from the mouth; "the aboral surface of a starfish" (antonym) oral ...
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aboral
opposite to or away from the mouth
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby ...

aboral The part of the body farthest from the mouth.
aboral surface The surface opposite the mouth (or oral surface) in echinoderms.
abrasion The mechanical process of gradually breaking down a hard layer, as in a seed coat.

The aboral segment (about 2 to 3 cm long) of the stomach; it succeeds the antrum and ends at the gastroduodenal junction.
Synonym: canalis pyloricus.

Water enters on the aboral side through the sieve plate, which is also known as the madreporite. Water passes through a stone canal to a ring canal and into the radial canals in each arm.

See also: Mouth, Long, Order, Membrane, Segment