Rachis to a short segment of the rachis. This is significant in the history of agriculture, and referred to by archaeologists as a "brittle rachis", one type of shattering in crop plants. Rachis Rachis is a biological term for a main axis or "shaft" (from the Greek "ράχις, backbone, spine"). In vertebrates a "rachis" can refer to the series of articulated vertebrae, which encase the spinal cord. In this case the "rachis" usually forms the supporting axis of the body and is then called the spine or vertebral column. "Rachis" can also mean the central shaft of pennaceous feathers. In the
Calamus-Wheatland High School the result of a merger of the former Calamus and Wheatland school districts. Toronto had earlier been a separate school district, and was incorporated into Wheatland sometime in the early 1960s. Calamus-Wheatland sports teams are known as the Warriors; their uniforms display the school's colors of navy blue and silver. The school fields athletic teams in 12 sports, including: As the school does not have its own football or soccer programs, athletes wanting to play these sports participate in a cooperative program with Central DeWitt High School. The school also has a competitive dance team. Calamus-Wheatland is classified as a