aboral

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aboral

[a′bȯr·əl]
(invertebrate zoology)
Opposite to the mouth.
References in periodicals archive ?
The mean a and b axis radii as viewed aborally for this ctenophore size class (n = 8) are 43 [micro]m and 40 [micro]m, respectively.
Viewed aborally, metaplica short with concave apical surface such that lateral margin is curled outwards brevilobata (Attems, 1928)
2] element: posterior process short, with 2-3 discrete, rather high denticles, anterior process directed aborally and inwards, with 3-4 discrete denticles, a little higher than those of the posterior process, cusp very high.
For example, several lineages of rowing medusae forage with their tentacles positioned aborally (Fig.
During bell contraction, the lappets swept from an aborally directed configuration through an arc to an opposite orientation on the oral side of the bell.
According to this classification scheme, sensory structures are found in three general regions of the larval surface: (1) within a band of oligociliated cells called the supracoronal cells that are positioned cells called the supracoronal cells that are positioned aborally to the coronal cells and bordered by the pallial epithelium, (2) between adjacent coronal cells are the intercoronal cells, and (3) within an unciliated (and often undifferentiated) band of cells called the infracoronal cells that are oral to the coronal cells.
The muscle fibers follow the curve of each pedalium, curling aborally and terminating abruptly no more than halfway across the width of the pedalium.