Perineal region, female

Illustration of perineal region dissection of female.

Term name Layer
1 Prepuce of clitoris Layer 1
2 Perineal fascia; superficial investing fascia of perineum; deep perineal fascia Layer 1
3 Vaginal orifice Layer 1
4 Perineal body Layer 1
5 Glans of clitoris Layer 1
6 External urethral orifice Layer 1
7 Bulbospongiosus Layer 1
8 Posterior labial branches Layer 1
9 Artery of bulb of vestibule Layer 1
10 Deep artery of clitoris Layer 1
11 Dorsal nerve of clitoris Layer 1
12 Dorsal artery of clitoris Layer 1
13 Pudendal nerve Layer 1
14 Pudendal nerve Layer 1
15 Perineal artery Layer 1
16 Internal pudendal vein Layer 1
17 Perineal nerves Layer 1
18 Inferior anal nerves; inferior rectal nerves Layer 1
19 Inferior rectal artery Layer 1
20 Internal pudendal artery Layer 1
21 Perineal branches Layer 1
22 Inferior clunial nerves Layer 1
23 Anus Layer 1
24 Perineal membrane Layer 1
25 Anococcygeal body; anococcygeal ligament Layer 1
26 Gluteus maximus Layer 1
27 Ischiococcygeus; coccygeus Layer 1
28 External anal sphincter Layer 1
29 Levator ani Layer 1
30 Superficial transverse perineal muscle Layer 1
31 Ischiocavernosus Layer 1