Middle Mediastinum

2. Visceral plexuses of the thorax (i.e., cardiac, pulmonary, and esophageal plexuses) have contributions from the sympathetic trunk and ___________ nn.
4. Chamber that primarily contributes to the heart’s sternocostal surface.
6. Viscera found within the anterior mediastinum.
8. Special conductive cells located at the junction of the superior vena cava and right auricle.
9. This nerve also relays nociceptive (pain) visceral afferent information from the heart to the upper thoracic levels of the spinal cord.
10. The outermost layer of pericardium is characterized as being ________________.
12. The right _________ forms the right border of the heart.
13. Nerve traveling alongside the pericardiacophrenic vessels that also passes anterior to the root of the lung.
14. Broad region of the thorax that contains the heart and great vessels, bordered by parietal pleura on either side.
15. Another name for the bicuspid valve.
17. “Heart strings.”
18. This nerve relays nociceptive (pain) visceral afferent information from the fibrous pericardium to the cervical region of the spinal cord.
19. This vessel courses immediately posterior to the pulmonary trunk. (Abbreviated).

1. Central arterial branch off the aortic arch.
3. Cardiac vein closest to the anterior interventricular artery.
5. Vessel returning venous blood from the abdomen to the heart.
7. Unique feature within the right ventricle that brings conducting fibers to the anterior papillary muscle.
9. Space within the cusps of the pulmonary or aortic semilunar valves.
11. Muscular walls within the right atrium.
16. First arteries to branch off the aorta.