(architecture) upright consisting of the vertical part of a column. Classified under: Nouns denoting man-made objects. Synonyms: scape; shaft. Hypernyms (scape is a kind of...): upright; vertical (a vertical structural member as a post or stake).
Shark teeth can happen at any time, but they are most common during two periods in a child's development. The first time is around age 6, when the lower front teeth usually grow in. The second is around age 11, when the upper back molars appear.
The researchers also conducted hardness tests, and found that despite the shark teeth being made of a naturally harder mineral, they were not harder than human teeth; this because the crystal structure of human teeth has a pattern arrangement more suited to hardness.ole rat dental structure similar to a shark. (PhysOrg.com) -- Sharks are capable of continually growing new teeth. As the teeth age, they fall out and new ones move forward similar to that of a tooth conveyor belt.