Pectoral Region Flashcards
What is the Thoracoacromial trunk a branch of?
Axillary artery
What nerve innervates both pectoralis major and minor?
Medial nerve
What vein does the cephalic vein empty into?
axillary vein
what are the 2 heads of pectoralis major?
sternal head and clavicular head
What are the medial and lateral pectoral nerves named according to?
What cord of the brachial plexus they branch
The sternum is divided into three parts; the _______ body and xiphoid process.
manubrium
The striations of the external intercostal muscle move ____________________
Downward and inward
The _________ is a star-shaped muscle that overlies two vessels that run on either side of the sternum: the internal thoracic arteries and veins
transversus thoracis
The internal intercostal muscle runs inferiorly and the striations move laterally.
True
The lung root is a collection of structures that suspends the lung from the mediastinum. Each root contains a __________, one pulmonary artery, two pulmonary veins, vessels, nerves , and lymphatics.
primary bronchus/bronchus.
The lingula of the lung is a tongue-shaped region of the ______.
left lung
What fissure separates the right upper lobe from the right middle lobe?
horizantal fissure
Proximal attachment Pec major
Clavicular head
Distal attachment Pec major
Intertubercular sulcus of humerus
Actions of peck major
Adducts and medially rotates arm
