The ornamentation of the shell is a character of considerable palaeontological importance. . . . The types of ornamentation are two; longitudinal striation, and transverse sulcation conformable to the shape of the aperture.
Source: wiktionary
Sulcation
Synonyms for "sulcation" (23 found)
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Sample sentences
5 total sentences available.
[T]he presence of sulcation in the brow horns of all the Arrhinoceratops specimens known at the present time suggests a certain constancy in this genus.
Source: wiktionary
Lissencephaly refers to a diffusely smooth-surfaced cerebral hemisphere without sulcation.
Source: wiktionary
Since the appearance and development of sulci in the fetal brain follows a predictable pattern, the degree of sulcation may be used as an indicator of gestational age-related cortical development, both at autopsy and in vivo with fetal MRI.
Source: wiktionary
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.