THRC.9 Flashcards
1
Q
Neurons of the sympathetic system
A
Preganglionic neurons
2
Q
After entering the sympathetic trunk, give the fate of the preganglionic neurons
A
- Synapse with the local ganglion
- Run cranially/caudally to a vertebral ganglion
- Splanchnic nerves
3
Q
Give the divisions of truncus sympaticus
A
- Cephalic part
- Cervical part
- Thoracic part
- Abdominal part
- Sacral part
- Coccygeal part
4
Q
Which system is the sympathetic system part of?
A
Autonomic nervous system
5
Q
In the spinal cord: Sympathetic neurons communicate with peripheral sympathetic neurons via…
A
Sympathetic ganglia
6
Q
Give examples of sympathetic effects
A
- Pupil dilation
- Increased heart rate
- Increased blood pressure
7
Q
Preganglionic neurons span which region of the spinal cord?
A
Th1 - L3
8
Q
A
Cranial cervical ganglion
9
Q
A
Cervical part of the sympathetic trunk
10
Q
A
Stellate/cervicothoracic ganglion
- Medial to R1
- Marks the end of the cervical sympathetic trunk
- Fusion of caudal cervical and cranial thoracic ganglia
11
Q
A
Middle cervical ganglion
12
Q
A
Cervical cardiac nerve
13
Q
A
Sympathetic trunk
14
Q
A
Vertebral nerve
15
Q
A
Greater splanchnic nerve
16
Q
A
- Solar plexus
- Celiac ganglion
- Cranial mesenteric ganglion