PERINEUM
PERINEUM
Female external genitalia
Male external genitalia
Perineal raphe
Perineal muscles
Muscle of anal triangle
External anal sphincter
Muscles of urogenital triangle
Perineal body
Anococcygeal body; anococcygeal ligament
Subcutaneous tissue of perineum
Membranous layer
Subcutaneous perineal pouch
Collesi
Superficial perineal pouch; superficial perineal compartment; superficial perineal space
Perineal fascia; superficial investing fascia of perineum; deep perineal fascia
Superficial transverse perineal muscle
Ischiocavernosus
Bulbospongiosus
Deep perineal pouch; deep perineal space
Perineal membrane
Transverse perineal ligament
Deep transverse perineal muscle
External urethral sphincter
External urethral sphincter
Compressor urethrae
Sphincter urethrovaginalis
Ischio-anal fossa
Fat body of ischio-anal fossa
Pudendal canal
Alcocki
Perineal body
central point of perineum
10 muscles of perineum converge and interlace in perineal body
2 unpaired
external anal spinchter
fibres of longitudinal muscle coat of anal canal
paired
bulbospongiosus
superficial and deep transverse perinei
levator ani
unstriped fibres of longitudinal muscle coat of anal canal
external anal spinchter
anal canal is surrounded in its upper 3/4 by internal anal spinchter
external anal spinchter surrounds whole length
supplied by inferior rectal nerve
perineal branch of 4 th sacral nerve