BIO 2300 Unit 4 Exam with Complete Solutions

BIO 2300 Unit 4 Exam with Complete Solutions the tip of the xiphoid process is the clinical marker for superior liver surface apex of heart central tendon of diaphragm sternal body forms joints with these structures costal cartilages of ribs 2-5 what's in the costal groove intercostal vein, artery & nerve all ribs form a joint posteriorly with vertebral body tubercle of a rib forms a joint here transverse process rib 9 forms 3 joints. Where? T8 T9 & transverse process pathway of breast milk 1. milk secreting glands - lobules 2. drained by laciferous duct 3. empties into laciferus sinus, deep to nipple 4. surface of nipple - 15-20 lobules, organized into lobes diaphragm is connected to these places anterior: xiphoid process anterolateral: costal cartilage of ribs 6-10 posterolateral: rib 12 posterior: bodies of L1-L3 epimysium connective tissue covering of a muscle 2 muscles epimysiums blend with that of the diaphragm quadratus lumborum psoas major openings of the central tendon aortic hiatus (vena) caval foramen esophageal hiatus intercostal muscles that elevate the ribs external intercostals internal intercostals (visible portion) intercostal muscles that depress the ribs internal intercostals transverse innermost intercostals intercostal muscles that have posterior membrane internal intercostal membrane lies directly under the parietal pleura innermost