Table 3 Pelvic floor striated muscle sex difference summary
From: Sex differences in lower urinary tract biology and physiology
| Species | Sex | Histologic studies | References |
|---|---|---|---|
| Rat | Female |
Developing LA muscle contains fewer motor units with smaller cross-sectional areas (89.2 μm2) Fewer number of satellite cells in the neonatal LA muscle |
Tobin et al. [74] Niel et al. [75] |
| Male |
Developing LA muscle contains more motor units with greater cross-sectional areas (120.8 μm2) Greater number of satellite cells in the neonatal LA muscle | ||
| Human | Female | Developing LA muscle is thin, and its bundles are integrated with connective tissue | Fritsch et al. [76] |
| Male | Developing LA muscle constitutes a thick, muscular layer |