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The page below is a sample from the LabCE course Basic Tissue Orientation and Paraffin Embedding Technique. Access the complete course and earn ASCLS P.A.C.E.-approved continuing education credits by subscribing online.

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Appendix specimens submitted to histology will typically include transverse sections of the base and longitudinal sections of the tip (which may be bisected). Orientation will include orientation of any lumen openings of tubular pieces with "on end " orientation to show the lumen openings in cross-section. Any bisected longitudinal pieces should be oriented to show the inner surface and layers present.

A transverse section of the appendix base.