Almost 20 years ago, Emami et al. presented a comprehensive set of dose tolerance limits for normal tissue organs to therapeutic radiation, which has proven essential to the field of radiation oncology.t must be noted that dose tolerance limits and dose-volume histogram (DVH) analysis only show part of the overall situation. The location where the high dose occurred could sometimes be more important than how high the dose is.
Exploratory classes are 70 minute, quarter-long courses that occur 3-4 days per week. They provide a deep delve into a topic, and are offered by internal specialist teachers and coaches as well as external partner teachers.
ExploragonsÂ® are a hands-on manipulative tool that allow students to explore geometric concepts in the classroom. Students can easily snap the flexible sticks together and explore polygons and plane geometry. ExploragonsÂ® come in 8 different lengths and colors, which enable students to create a variety of angles. Protractors with a special nub are included, which allow any of the ExploragonsÂ® to easily attach, in order to measure angles. The Teacher Set includes 30 Quick Check Cards that feature short activities which can be handed out to individual students or small groups.