Fig. 9From: Intraspecific anatomical variations of the extensor tendons of the carpus and digits with a reexamination of their insertion sites in the domestic dog (Canis lupus familiaris): a cadaveric studyH&E (a)Â and Masson's trichrome (b) staining of longitudinal sections of the part of the APL tendon extending to the FDS. The collagen fibers were arranged in an undulating pattern with parallel orientation. Tenocytes of the tendon were routinely flattened (spindle-shaped), and nuclei arranged in rows between the collagen bundles. S refers to sesamoid boneBack to article page