The definition of asinine is to be silly, stupid or ridiculous. An example of asinine is a foolish prank played on a friend.
In humans, there are twelve thoracic vertebrae and they are intermediate in size between the cervical and lumbar vertebrae; they increase in size going towards the lumbar vertebrae, with the lower ones being a lot larger than the upper.
1 The vertebrae are arranged into five regions, but only 24 of them are (7 cervical, 12 thoracic and 5 lumbar) are movable. 2  In adults, the five sacral vertebrae are fused to form the sacrum and the four coccygeal vertebrae are fused to form the coccyx. The vertebrae are arranged into five regions, but only 24 of them are (7 cervical, 12 thoracic and 5 lumbar) are movable. 2  In adults, the five sacral vertebrae are fused to form the sacrum and the four coccygeal vertebrae are fused to form the coccyx.