Lecture 2 Flashcards
What are the 4 pleural surfaces?
cervical, costal, mediastinal, and diaphragmatic
What are the 2 pleural recesses?
costomediastinal and costodiaphragmatic
What are distinguishing features between right and left lung?
What are consistent features of right and left lungs?
- surfaces (costal and mediastinal)
- borders (inferior, anterior, and posterior)
What are distinguishing features of the right and left lungs?
fissures, lobes, impressions
What are the three main structures of the lung?
pulmonary artery, pulmonary vein, and main bronchus
How does the relationship between pulmonary artery to bronchus differ in the right and left lung?
- right anterior and left superior
What is the area of bifurcation in the trachea called?
What is the difference between right and left bronchi?
right-larger, more vertical
left-narrower, more horizontal
What are the borders of the mediastinum?
- superior thoracic aperture
- vertebral bodies
What are the mediastinal subdivisions?
inferior (anterior, middle, posterior)
What divides the inferior mediastinum into 3 parts?
Phrenic nerves travel within which layer of pericardium?
Which layer lines inner surface of fibrous pericardium?
What is the position of the heart in thorax?
slightly rotated with right chamber anteriorly oriented
The right atrium receives deoxy blood from what 2 structures? (circulation and heart)
circulation-SVC and IVC
What are the landmarks of the right atrium?
- pectinate muscles
- crista terminalis
The right ventricle recieves deoxy blood from right atrium via which valve?
right atrioventricular (tricuspid) valve
What are the landmarks of the right ventricle?
- trabeculae carnae
- papillary muscles (3)
- chordae tendinae
Pulmonary valve is the passageway for deoxy blood to travel from right ventricle to lungs?
via pulmonary trunk and arteries
What are key features of the pulmonary valve?
semilunar cusps and pulmonary sinuses