NPY- and CGRP-like immunoreactive nerve fibers in the testis and mesorchium of the toad (Bufo arenarum).
Journal - Cell and tissue research (GERMANY )
The presence and distribution of peptidergic nerve fibers were studied in the testis and mesorchium of the toad by means of immunohistochemistry. Cryostat sections of the testis and whole-mount preparations of mesorchia were immunostained with antisera to calcitonin gene-related peptide (CGRP) and neuropeptide tyrosine (NPY). After leaving the mesorchium CGRP-immunoreactive (IR) fibers were seen predominantly running in between the seminiferous tubules. In addition, a small population of CGRP-IR nerve fibers formed thin plexuses around blood vessels. Conversely, NPY-like immunoreactivity predominated in nerve fibers that formed dense plexuses around vessels both in the mesorchium and testis. Additionally, some single NPY-IR nerve fibers could be seen in both structures studied. The functional significance of these peptidergic systems in the testis of the toad remains to be analyzed.
|ISSN : ||0302-766X|
|Mesh Heading : ||Animals Bufo arenarum Calcitonin Gene-Related Peptide Kidney Male Mesentery Nerve Fibers Neuropeptide Y Testis immunology innervation metabolism innervation metabolism ultrastructure ultrastructure immunology metabolism ultrastructure|
|Mesh Heading Relevant : ||metabolism metabolism metabolism innervation|