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Pronunciation varies by accent · noun
A raised ridge of cuticle around the inner border of the trulleum in certain ants..
The trulleum in many groups is closed along its inner (medial) border by a raised ridge of cuticle, the canthellus. The canthellus may extend to, and even fuse with, the base margin of the mandible (canthellus closed) or may fail to reach the basal margin (canthellus open).
Use canthellus when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Canthellus means A raised ridge of cuticle around the inner border of the trulleum in certain ants..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
The trulleum in many groups is closed along its inner (medial) border by a raised ridge of cuticle, the canthellus. The canthellus may extend to, and even fuse with, the base margin of the mandible (canthellus closed) or may fail to reach the basal margin (canthellus open).
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