Dorsal-Vertebral column and Longus Coli m. Lateral-Ribs, Internal intercostal mm., and costal cartilage Ventral- Sternum and (Transversus thoracis m.) Caudal- Diaghragm Cranial- Thoracic inlet
If a dog gets a puncture wound through the left thoracic cavity, what will happen to the right and left lungs and why?
The left lung will collapse due to the pressure increase. The right lung will remain in working condition due to the mediastinum separating the two areas.
Cranial part is at the 5th rib/caudal border of triceps brachii m. Dorsal part is lateral margin of the epaxial muscles Caudal part is the costochondral junction of 6th rib though middle of 8th rib.