Disccector Info Flashcards
Where is the apex of the heart located?
left 5th intercostal space near the mid-clavicular line
Where is the coronary sulcus located on the heart?
in between the right atrium and ventricle
What does the right coronary artery arise from?
right aortic sinus (which comes from the ascending aorta)
How is the pulmonary artery related to the bronchi in the hilum of the LEFT lung?
it is located superior to the bronchus
How is the pulmonary artery related to the bronchi in the hilum of the RIGHT lung?
it is located ventral to the bronchus
Where does the esophagus cross over the descending aorta anteriorly?
level of the 8th vertebra
Where does the esophagus enter into the diaphragm?
level of the 10th vetrebra
What ribs form the costal margin of the diaphragm?
7-10
Where is the transpyloric plane located?
It is said to lie roughly a hand’s breadth beneath the xiphoid process of the human sternum. The plane in most cases cuts through the pylorus of the stomach, the tips of the 9th costal cartilages and at the level of the intervertebral disc between L1 and L2
motor and sensory supply to the abdominal wall is provided by what nerves (4 sets)?
7th-11th intercostal nerves, subcostal nerves, iliohypogastric, and iliolinguinal nerves
Describe the distribution of the superficial nerves in the abdomen wall.
7th intercostal- level of xiphoid process10th intercostal- level of umbilicaliliohypogastric- suprapubiciliolinguinal- exits the superficial ring to enter the scrotum
Do the inferior fibers of the internal oblique abdominis and the transverses abdominis contribute to the rectus sheath?
No. they insert on the pubic crest
Are inguinal hernias more common in males or females? Why?
males, because the canal and the associated structures are larger and weak following descent of the testis
What occupies the inguinal canal in men and women?
men- spermatic cordwomen- round ligament
What nerve exits the inguinal canal?
iliolinguinal
