Thorax Flashcards
constructed the sternum, 12 pairs of ribs, 12 thoracic vertebrae, muscles and cartilages
thoracic cage
lies in the center of the chest
sternum
sternum divided into three parts
manubrium, the body, and the xiphoid process
reference point for counting ribs and intercostal spaces
angle of louis or sternal angle
ribs 2 to 6 connected in the
sternum
ribs 7-10 connect to the
cartilages
consist of mediastinum, and the lungs
thoracic cavity
is a flexible structure that lies anterior to the esophagus, begins at the level of the cricoid cartilage in the neck
trachea
are two cone-shaped, elastic structures suspended within the thoracic cavity.
lungs
anteroposterior diameter is wider that the transverse diameter
barrel chest
permanent deformity where there’s a narrow transverse diameter,
pigeon chest
sternum is depressed with narrowing AP diameter, exerting abnormal pressure on the heart
funnel chest
excessive convex curvature of the thoracic spine
kyphosis
lateral deviation of the spine
scoliosis
soft, low-pitch sighing sounds created by air moving through the bronchioles and alveoli, heard over the lung periphery (long in inspiration and short in expiration)
vesicular (breath sounds)