Biological Sciences and Healthcare, part 2

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Topographic region > Body part > Lower body > Lower body part > Lower trunk > Structure of pelvic region of trunk (body structure) > Anorectal structure > anus > Anus part > Sphincter ani muscle > Sphincter ani externus muscle > External anal sphincter muscle part

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Topographic region > Body part > Trunk > Structure of subregion of trunk (body structure) > Lower trunk > Structure of pelvic region of trunk (body structure) > Anorectal structure > anus > Anus part > Sphincter ani muscle > Sphincter ani externus muscle > External anal sphincter muscle part

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Organ system > digestive system > digestive tract > Digestive tract part (body structure) > Gastrointestinal tract > Anorectal structure > anus > Anus part > Sphincter ani muscle > Sphincter ani externus muscle > External anal sphincter muscle part

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Topographic region > Body part > Lower body > Lower body part > Lower trunk > Structure of pelvic region of trunk (body structure) > Perineum > Anal region > anus > Anus part > Sphincter ani muscle > Sphincter ani externus muscle > External anal sphincter muscle part

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Topographic region > Body part > Trunk > Structure of subregion of trunk (body structure) > Lower trunk > Structure of pelvic region of trunk (body structure) > Perineum > Anal region > anus > Anus part > Sphincter ani muscle > Sphincter ani externus muscle > External anal sphincter muscle part

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Topographic region > Body part > Lower body > Lower body part > Lower trunk > Pelvic cross-sectional segment of trunk > Perineum > Anal region > anus > Anus part > Sphincter ani muscle > Sphincter ani externus muscle > External anal sphincter muscle part

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Topographic region > Body part > Trunk > Structure of subregion of trunk (body structure) > Lower trunk > Pelvic cross-sectional segment of trunk > Perineum > Anal region > anus > Anus part > Sphincter ani muscle > Sphincter ani externus muscle > External anal sphincter muscle part

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Topographic region > Body part > Trunk > Structure of subregion of trunk (body structure) > Structure of abdominopelvic cross-sectional segment of trunk > Pelvic cross-sectional segment of trunk > Perineum > Anal region > anus > Anus part > Sphincter ani muscle > Sphincter ani externus muscle > External anal sphincter muscle part

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Topographic region > Body part > Lower body > Lower body part > Lower trunk > Structure of pelvic region of trunk (body structure) > Perineum > Muscle of perineum > Sphincter ani muscle > Sphincter ani externus muscle > External anal sphincter muscle part

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Topographic region > Body part > Trunk > Structure of subregion of trunk (body structure) > Lower trunk > Structure of pelvic region of trunk (body structure) > Perineum > Muscle of perineum > Sphincter ani muscle > Sphincter ani externus muscle > External anal sphincter muscle part

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Topographic region > Body part > Lower body > Lower body part > Lower trunk > Pelvic cross-sectional segment of trunk > Perineum > Muscle of perineum > Sphincter ani muscle > Sphincter ani externus muscle > External anal sphincter muscle part

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Topographic region > Body part > Trunk > Structure of subregion of trunk (body structure) > Lower trunk > Pelvic cross-sectional segment of trunk > Perineum > Muscle of perineum > Sphincter ani muscle > Sphincter ani externus muscle > External anal sphincter muscle part

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Topographic region > Body part > Trunk > Structure of subregion of trunk (body structure) > Structure of abdominopelvic cross-sectional segment of trunk > Pelvic cross-sectional segment of trunk > Perineum > Muscle of perineum > Sphincter ani muscle > Sphincter ani externus muscle > External anal sphincter muscle part

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Topographic region > Body part > Trunk > Musculoskeletal structure of trunk > Muscle of trunk > Muscle of perineum > Sphincter ani muscle > Sphincter ani externus muscle > External anal sphincter muscle part

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Topographic region > Body part > Lower body > Lower body part > Lower trunk > Structure of pelvic region of trunk (body structure) > Perineum > Anal region > Perianal region structure (body structure) > Sphincter ani muscle > Sphincter ani externus muscle > External anal sphincter muscle part

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Topographic region > Body part > Trunk > Structure of subregion of trunk (body structure) > Lower trunk > Structure of pelvic region of trunk (body structure) > Perineum > Anal region > Perianal region structure (body structure) > Sphincter ani muscle > Sphincter ani externus muscle > External anal sphincter muscle part

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Topographic region > Body part > Lower body > Lower body part > Lower trunk > Pelvic cross-sectional segment of trunk > Perineum > Anal region > Perianal region structure (body structure) > Sphincter ani muscle > Sphincter ani externus muscle > External anal sphincter muscle part

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Topographic region > Body part > Trunk > Structure of subregion of trunk (body structure) > Lower trunk > Pelvic cross-sectional segment of trunk > Perineum > Anal region > Perianal region structure (body structure) > Sphincter ani muscle > Sphincter ani externus muscle > External anal sphincter muscle part

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Topographic region > Body part > Trunk > Structure of subregion of trunk (body structure) > Structure of abdominopelvic cross-sectional segment of trunk > Pelvic cross-sectional segment of trunk > Perineum > Anal region > Perianal region structure (body structure) > Sphincter ani muscle > Sphincter ani externus muscle > External anal sphincter muscle part

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Body tissue > Soft tissues > skeletal muscle > Skeletal muscle component > External anal sphincter muscle part

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Body organ > Structure of striated muscle and/or smooth muscle > muscle > skeletal muscle > Skeletal muscle component > External anal sphincter muscle part

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Organ system > musculoskeletal system > Skeletal muscular system > Skeletal muscle and/or tendon structure > skeletal muscle > Skeletal muscle component > External anal sphincter muscle part