Site-dependent differences in the composite fibers of male pelvic plexus branches: an immunohistochemical analysis of donated elderly cadavers

Table 1 Summary of composite nerve fibers of the pelvic plexus branches

	nNOS	VIP	TH
The anterosuperior group between the bladder and seminal vesicle
nerve-1	++	–	++
nerve-2	+	–	++
nerve-3	+++	–	+++
nerve-4	+	–	+
nerve-5	+++	–	+++
The middle and superior group between the seminal vesicle and rectum
nerve-6	+++	–	+++
nerve-7	+++	–	+++
nerve-8	+++	–	+++
The posterosuperior group between the rectum and levator ani
nerve-9	++	+	+++
nerve-10	+	–	++
nerve-11	+++	++	+
nerve-12	++	+	+
The postero-inferior group at and along the posterolateral corner of the prostate
nerve-13	+++	+	+++
Nerves to BL	+	–	+
Nerves to SV	+	–	+++
Nerves to PR and CTs	+++	+ or ±	+

+, > 10 positive nerve fibers were seen in the nerve; ++, positive nerves occupied 30–70% of a cross-sectional area of the nerve; +++, positive fibers occupied nearly all parts of the nerve with a high density
BL bladder, CTs cavernous tissues, PR prostate, SV seminal vesicle

ISSN: 1471-2490