Figure 3

![Figure 3: Alpha diversity indices comparing intestinal microbial richness and evenness across alopecia areata and microneedling-treated mouse groups.](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12405465/bin/fmicb-16-1649496-g003.jpg)

> Source: Yue Zhang et al. "Investigating the potential mechanism of microneedling in alopecia areata mice b." *Frontiers in microbiology*, 2025. PMID: [40909920](https://pubmed.ncbi.nlm.nih.gov/40909920/)

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  <img src="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12405465/bin/fmicb-16-1649496-g003.jpg" alt="Alpha diversity indices comparing intestinal microbial richness and evenness across alopecia areata and microneedling-treated mouse groups." />
  <figcaption>Figure 3. Alpha diversity indices comparing intestinal microbial richness and evenness across alopecia areata and microneedling-treated mouse groups.<br>  Source: Yue Zhang et al. "Investigating the potential mechanism of microneedling in alopecia areata mice b." <em>Frontiers in microbiology</em>, 2025. PMID: <a href="https://pubmed.ncbi.nlm.nih.gov/40909920/">40909920</a></figcaption>
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