Agriculture Reference
In-Depth Information
Figure 6.38
The encephalon: A. Ventral aspect; B. Dorsal aspect.
dorsal horn
dorsal column
A
B
central canal
lateral column
lateral horn
grey matter
ventral column
white matter
ventral horn
Figure 6.39
Transverse section through the spinal cord A. Cervical region; B. Thoracic region.
ganglionic chains lateral to the thoracolumbar vertebrae.
Two categories of ganglia are associated with the parasym-
pathetic system: juxtavisceral and intramural. The juxta-
visceral ganglia are those located in the vicinity of
structures that are supplied, whereas the intramural are
located within the walls of the organs supplied.
The autonomic nervous system is that part of the nervous
system that regulates and controls the visceral activity and
