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

In the adult, this fetal curvature is retained in two regions of the vertebral column as the thoracic curve, which involves the thoracic vertebrae, and the sacrococcygeal curve, formed by the sacrum and coccyx.

From Textbooks • Jun. 19, 2013

Figure 7.20 Vertebral Column The adult vertebral column consists of 24 vertebrae, plus the sacrum and coccyx.

From Textbooks • Jun. 19, 2013

Above and behind the angle of bifurcation, however, a long slender artery, called the middle sacral, is prolonged downward in front of the sacrum to the end of the coccyx.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6 "Armour Plates" to "Arundel, Earls of" by Various