Final Review Flashcards
Sternal angle
T4-T5 (costal cartilage 2)
Anterior axillary / pectoral nodes receive ____% of lymphatics and drain into:
75%
Subclavian lymph trunks
Pectoral major action
Flexion
Addiction
Medial arm rotation
What is the arrangement of the neurovascular bundle?
Intercostal vein, artery, then nerve (VAN)
Present between internal intercostal and innermost layer of muscl and located along the lower border of the rib
The internal thoracic artery is a branch of what?
Subclavian artery
Upper thoracic aperture/ thoracic inlet wall boundaries:
Anterior: Manubrium sternum
Lateral: Medial margin of rib 1
Posterior: T1
What type of joints are the costocorporeal?
Synovial plane joints
What type of joints are the costotransverse joints?
Synovial plant joints
Joint types for the sternocostal joints:
First sternocostal: Secondary cartilaginous joint
2nd-7th: Synovial plane joints
Where is the vena canal opening?
What are its contents?
T8 in the central tendon
IVC and right phrenic nerve
Where is the esophageal opening located?
What are its contents?
T10 in the muscular part of the diaphragm
Esophagus and vagus nerves
Where are the pectinate muscles present in the heart?
Atrium proper
Blood enters the left ventricle through the:
Left atrioventricular orifice
What structures are present in the left ventricle?
Trabeculae carnae
Anterior and posterior papillary muscles
Chordate tendinae
What does the left coronary artery supply?
Most of the left atrium, left ventricle and interventricular septum
What is the main vein draining venous blood from the heart?
Coronary sinus
What are the tributaries to the coronary sinus?
Great cardiac vein
Small cardiac vein
Middle cardiac vein
Posterior cardiac vein
Which recess is present in the lateral part of each pleural cavity where costal and diaphragmatic pleura contact each other?
Costodiaphragmatic
Also, fluid can gather here and there will be no breath sounds when sick.
Contents of the root of the lung
Main bronchus
Pulmonary artery
Pulmonary veins
Lymphatics
Bronchial vessels
Pulmonary plexus of nerves
Nerve supply of the parietal pluera
Costal plura- intercostal nerves
Mediastinal pleura- phrenic nerves
Diaphragmatic pleura- phrenic nerves
What part of the mediastinum contains the azygos vein?
Middle
What part of the mediastinum contains the esophagus?
Superior
What part of the mediastinum contains both the azygos AND hemiazygos veins
Posterior
What does the azygos vein drain into?
Superior vena cava
Esophageal blood supply
Upper:
Middle:
Lower:
Upper: inferior thyroid artery
Middle: thoracic aorta
Lower: left gastric artery
Plane that passes through the tips of the 9th costal cartilages and passes through the pylorus
Transpyloric plane (L1)
Membranous layer in inferior 1/3 of anterior abdomen
Scarpa’s fascia
Fascia deep to the transversus abdominis, containing the deep inguinal ring
Transversalis fascia
Where does the posterior layer of the rectus sheath end?
Inferiorly at the arcuate line
What makes up the anterior wall of the inguinal canal?
External and internal obliques
Spermatic cord coverings:
Note what they are continuations of
External spermatic fascia- external oblique aponeurosis
Cremasteric fascia- internal oblique
Internal spermatic fascia- transversalis is fascia
The esophageal branches come from:
Left gastric artery
Branch of the celiac trunk
Mucosal fold of the stomach
What is its purpose?
Rugae
Increases surface area
What is the blood supply to the lesser curvature of the stomach?
Right gastric artery (branch of the hepatic artery proper)