coccyx
Example Sentences
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The boy was fifteen, skinny, almost malnourished, so that the hip bones and coccyx stood out sharply.
From The Wall Street Journal ● Nov. 11, 2025
Following this evolutionary split, the group of apes that includes present-day humans evolved the formation of fewer tail vertebrae, giving rise to the coccyx, or tailbone.
From Science Daily ● Feb. 28, 2024
The coccyx is typically 3–4 vertebrae that fuse into one.
From Textbooks ● Jun. 9, 2022
The vertebral column originally develops as 33 vertebrae, but is eventually reduced to 24 vertebrae, plus the sacrum and coccyx.
From Textbooks ● Jun. 19, 2013
The coccyx bears a distinct dorsal ridge and has a bicondylar articulation with the sacrum.
From A Synopsis of Neotropical Hylid Frogs, Genus Osteocephalus by William E. Duellman
They are joined at the coccyges and sacra, and the spinal columns have nearly the same axis.
From Essays In Pastoral Medicine by Austin ?Malley
The twins are joined only by the latero-posterior aspects of the sacra and coccyges, so that the two individuals are placed almost back to back.
From Essays In Pastoral Medicine by Austin ?Malley
Vocabulary lists containing coccyx
