About This Book
A comparative anatomical study of the baculum in microtine rodents describing its orientation relative to the urethra and corpus cavernosum, typical structure (elongate stalk, expanded base, and terminal digitate processes), and variation in curvature, proportions, and secondary ossifications across species and developmental stages. The author documents methods for removing, clearing, and staining penis specimens (potassium hydroxide and Alizarin red‑S) to reveal bacular morphology, presents measurements and illustrations, and discusses how baculum characters vary with age and body size and how they can be used, alongside other traits, to assess species-level relationships.
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