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The Journal of Basic and Applied Zoology
Fig. 1 | The Journal of Basic and Applied Zoology

Fig. 1

From: The penile baculum in monkey (Macaca radiata), rat (Rattus norvegicus), and bat (Pipistrellus mimus) and its functional significance—a mini review

Fig. 1

Photomicrograph (H&E staining) of the penile transverse section taken from the monkey (a), rat (b), and bat (c). First column: In the monkey, the baculum appears like a miniature of a long bone, a clear central medullary cavity was seen (arrow head) and surrounded minor channels. Similar in rat baculum (arrow), a medullary canal (arrow head) is surrounded by smaller canals. The baculum in the bat (arrow) is seated over the corpus spongiosum (CS) with corpus cavernosum (CC) along its lateral aspect (bilaterally), arrowhead pointing urethral orifice in the corpus spongiosum. Small diameter channel in the bat is the main lamellar bone which appears as a single osteon or Haversian system). Second column: Dissected and isolated baculum from monkey and rat with corresponding radiological images placed inside (baculum—indicated by an arrow)

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