occipital arch
occipital arch
[äk′sip·əd·əl ¦ärch] (invertebrate zoology)
A part of an insect cranium lying between the occipital suture and postoccipital suture.
References in periodicals archive
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In the posterior region, the skull consists of the basal plate and the occipital arch.
However, the trabecula communis, the basal plate, the otic capsule and the occipital arch are totally visible (Table 1).
In this posterior region, the skull roof is formed by growth of the occipital arch and the otic capsule, then the tectum synoticum is observed.
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