ANATOMY Nervous System [A08] Nervous System Peripheral Nervous System [A08.800] Peripheral Nervous System Peripheral Nerves [A08.800.800] Peripheral Nerves Spinal Nerves [A08.800.800.720] Spinal Nerves Lumbosacral Plexus [A08.800.800.720.450] Lumbosacral Plexus Femoral Nerve [A08.800.800.720.450.250] Femoral Nerve Obturator Nerve [A08.800.800.720.450.600] Obturator Nerve Pudendal Nerve [A08.800.800.720.450.680] Pudendal Nerve Sciatic Nerve [A08.800.800.720.450.760] Sciatic Nerve

Pudendal Nerve - Preferred

Concept UI	M0554334
Scope note	A nerve which originates in the sacral spinal cord (S2 to S4) and innervates the PERINEUM, the external GENITALIA, the external ANAL SPHINCTER and the external urethral sphincter. It has three major branches: the perineal nerve, inferior anal nerves, and the dorsal nerve of penis or clitoris.
Preferred term	Pudendal Nerve
Entry term(s)	Nerve, Pudendal Nerves, Pudendal Pudendal Nerves

Perineal Nerve - Narrower

Concept UI	M0554336
Preferred term	Perineal Nerve
Entry term(s)	Nerve, Perineal Nerves, Perineal Perineal Nerves

Inferior Hemorrhoidal Nerve - Narrower

Concept UI	M0554335
Preferred term	Inferior Hemorrhoidal Nerve
Entry term(s)	Anal Nerve, Inferior Anal Nerves, Inferior Hemorrhoidal Nerve, Inferior Hemorrhoidal Nerves, Inferior Inferior Anal Nerve Inferior Anal Nerves Inferior Hemorrhoidal Nerves Nerve, Inferior Anal Nerve, Inferior Hemorrhoidal Nerves, Inferior Anal Nerves, Inferior Hemorrhoidal

Dorsal Clitoris Nerve - Narrower

Concept UI	M0554338
Preferred term	Dorsal Clitoris Nerve
Entry term(s)	Clitoris Dorsal Nerve Clitoris Dorsal Nerves Clitoris Nerve, Dorsal Clitoris Nerves, Dorsal Dorsal Clitoris Nerves Dorsal Nerve of Clitoris Nerve, Dorsal Clitoris Nerves, Dorsal Clitoris

Dorsal Penile Nerve - Narrower

Concept UI	M0554337
Preferred term	Dorsal Penile Nerve
Entry term(s)	Dorsal Nerve of Penis Dorsal Penile Nerves Nerve, Dorsal Penile Nerves, Dorsal Penile Penile Nerve, Dorsal Penile Nerves, Dorsal Penis Dorsal Nerve Penis Dorsal Nerves