Purpose: An interactive atlas of histology was developed for online use by chiropractic students to enable them to practice and self-assess their ability to identify various histological structures. This article discusses the steps in the development, implementation, and usefulness of an interactive atlas of histology for students who take histology examinations. Methods: The atlas was developed by digitizing images imported through a video-microscope using actual microscope slides. Leica EWS 2100 and PowerPoint software were used to construct the atlas. The usefulness of the atlas was assessed through a comparison of histology exam scores between four classes before and four classes after the use of the atlas. Analysis of admissions data, including overall grade point average (GPA), science and nonscience GPA, and a number of course units, was done initially to avoid any identifiable differences in the academic competency between the two being compared. A survey of the students was also done to assess atlas usefulness and students' satisfaction with the atlas. Results: Analysis of histology exam scores showed that the average scores in the lab exam were significantly higher for the classes that used the atlas. Survey results showed a high level of student satisfaction with the atlas. Conclusion: The development and use of an online interactive atlas of histology for chiropractic students helped to improve lab exams scores. In addition, students were satisfied with the features and usefulness of this atlas.

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