Imaging honey bee brain anatomy with micro-X-ray-computed tomography

Willi Ribi, Tim J. Senden, Arthur Sakellariou, Ajay Limaye, Shaowu Zhang*

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    73 Citations (Scopus)

    Abstract

    Technologies for imaging in three dimensions are greatly desired by researchers in many biological disciplines. However, when imaging small animals such as invertebrates, the achievement of satisfactory spatial resolution and adequate contrast between tissues often requires the use of expensive and time-consuming procedures. Micro-X-ray-computed tomography (μCT) is a convenient technique which is finding greater use alongside conventional microscopies. Staining with heavy metal salts, such as osmium tetroxide improves imaging in μCT, and allows visualization of the 3D structure of the honey bee brain undistorted within the intact head capsule. We obtained detailed information about the morphology of the different brain compartments and were able to show their orientations, relative to each other, within the head capsule. This technique offers a significant improvement in resolution, time, and expense for the quantitative, three-dimensional analysis of developing bee brain centers. In this article, we introduce a rapid, high-resolution, and inexpensive technique for the three-dimensional visualization of different compartments of the honey bee brain. A detailed discussion of the honey bee brain anatomy is provided, demonstrating that μCT, with osmium staining, can indeed visualise these structures. Hence, our results show that μCT is ideally suited for researchers who are interested in the 3D visualization of small invertebrate brains.

    Original languageEnglish
    Pages (from-to)93-97
    Number of pages5
    JournalJournal of Neuroscience Methods
    Volume171
    Issue number1
    DOIs
    Publication statusPublished - 15 Jun 2008

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