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Anatomical Dissection of the Dorsal Nerve of the Clitoris
Joseph A Kelling1, Cameron R Erickson1, Jessica Pin2
1Department of Plastic Surgery, University of Texas Southwestern Medical Center, Dallas, TX.
Background:
The clitoris is the primary somatosensory organ of female sexual response. Knowledge of its neural anatomy and related landmarks is essential for safe genital surgery.
Objectives:
The aim of this study was to describe the distal course of the dorsal nerves of the clitoris and associated structures.
Methods:
Clitorises of 10 fresh cadavers were dissected. Measurements of the dorsal nerves, suspensory ligament, clitoral body, clitoral hood, and clitoral glans were obtained. The course of the dorsal nerves was examined.
Results:
The dorsal nerves of the clitoris were larger than expected, ranging from 2.0 to 3.2 mm in diameter, on average, along their course in the clitoral body. In 9 of 10 specimens, the dorsal nerves could be traced to within 6 mm of the glans. They traveled deep to a superficial clitoral fascia but superficial to the tunica albuginea, were variably located between 10 and 2 o'clock, and were separated by the deep suspensory ligament (DSL) of the clitoris. The mean length of the descending clitoral body, from the angle to the base of the glans, was 37.0 mm. The mean distance from the pubic rim to the DSL was 37.7 mm.
Conclusions:
The clitoral body is substantial in length, mostly lying superficially under the clitoral hood and mons pubis. The dorsal nerves of the clitoris are large and superficial, terminating at or near the base of the clitoral glans. Knowledge of this anatomy is critical prior to performing surgery near the clitoris.
