Thorax + Lungs Flashcards
Which nerves associate with the pectoralis major?
Pectoral nerves C5-T1
Which nerve associates with the sternocleidomastoid muscle?
CNXI - spinal accessory
Which nerves associate with the rectus abdominus?
Intercostal + subcostal nerves (T7-12)
Which nerves associate with the pectoralis minor?
Pectoral nerves C5-T1
What nerves associate with the serratus anterior muscles?
Long thoracic nerve C5-7
What are the three intercostal muscles?
External, internal, innermost
What three vessels/nerves sit in the costal groove?
Intercostal vein (anterior/posterior), intercostal artery (anterior/posterior), intercostal nerve
What pierces the diaphragm and where?
Abdominal aorta T12, oesophagus T10, inferior vena cava T8, phrenic nerve
What is the diaphragm made of and what does it separate?
Skeletal muscle, thoracic and abdominal cavity
Which lung has 3 and which has 2 lobes?
Right - 3 (superior, middle, inferior), left - 2 (superior and inferior)
What fissures are present in right and left lungs?
R - horizontal, oblique, L - oblique
What are the bronchopulmonary segments?
The largest functional divisions of the anatomical lobes and each have own blood/air supply
What happens during emphysema?
Destruction of alveolar walls which decreases surface area and elastic tissue, + narrowing of bronchioles
