C. Anterolateral view with pelvic walls and diaphragm removed.
Obturator internus muscleIschio-anal fossaeAnterior recesses of ischio-anal fossaeSacrotuberous ligamentSacrospinous ligamentCoccygeus muscleAObturator internus muscleTendon of obturatorinternus muscleIschio-anal fossaeAnterior recesses of ischio-anal fossaeBObturator internus muscleAnterior recesses of ischio-anal fossaeLevator aniCDeep perineal pouchDeep perineal pouchPerineal membranePerineal membrane
Fig. 5.71 Erectile tissues of clitoris and penis. A. Clitoris. B. Penis.
Corpora cavernosaGlans penisExternal urethralorificeNavicular fossaof urethraCrus of penis(attached part ofcorpus cavernosum)Crus of clitoris(attached part ofcorpus cavernosum)Corpora cavernosaCorpus spongiosumcontaining urethraBody of clitoris(cross section)Body of penis(cross section)Bulb of vestibuleBulb of penis(attached part ofcorpus spongiosum)Glans clitorisGreater vestibular glandin superficial pouchBulbo-urethral glandwithin deep pouchSkinAB
Fig. 5.72 Muscles in the superficial perineal pouch. A. In women. B. In men.
Midline rapheIschiocavernosus muscleBulbospongiosusmusclePerineal bodySuperficial transverse perineal muscleFundiform ligament of penisSuspensory ligament of penisIschiocavernosus muscleBulbospongiosusmusclePerineal bodySuperficial transverse perineal muscleSuspensory ligament of clitorisAB
Fig. 5.73 Superficial features of the perineum in women. A. Overview. B. Close-up of external genitalia.
Ischial tuberosity(palpable)Urogenital triangleABMons pubisAnal triangleUrethral openingVestibule(between labia minora)Vaginal openingPubic symphysis(palpable)Coccyx(palpable)Anal aperturePosterior commissureOpening of duct ofparaurethral glandFrenulumPrepuce of clitorisGlans clitorisLateral foldMedial foldLabium minusHymenFourchetteOpening of duct ofgreater vestibular gland
Fig. 5.74 Superficial features of the perineum in men. A. Overview. B. Close-up of external genitalia.
Ischial tuberosity(palpable)Urogenital triangleSkin overlying spermatic cordSkin overlyingbulb of penisAnal trianglePubic symphysis(palpable)Coccyx(palpable)Anal apertureRapheScrotumFrenulum of glansExternal urethral orificeGlans penisPrepuceNeck of glansCorona of glansAB
Fig. 5.75 Superficial fascia. A. Lateral view. B. Anterior view.
Membranous layerof superficial fasciaAnterior superior iliac spineAttachment of membranouslayer of superficial fasciato fascia lata of thigh Posterior margin ofperineal membrane Fused to posterior margin ofperineal membraneMuscles of abdominal wallInguinal ligamentFascia lata of thighPubic tubercleAB
Fig. 5.76 Pudendal nerve. A. In men.
B. In women.