Sample Sentences & Example Usage. 1  Sylvia Loehrmann: It's so tragic, so sad, so unfathomable. 2  Todd Spitzer: We don't want a judge that legislates from the bench, it's just unfathomable that the judge would try to describe what is a brutal sodomy.
The first two nerves supply fibers to the upper limb in addition to their thoracic branches; the next four are limited in their distribution to the walls of the thorax; the lower five supply the walls of the thorax and abdomen.The 7th intercostal nerve terminates at the xyphoid process, at the lower end of the sternum.The 10th intercostal nerve terminates at the navel. The twelfth (subcostal) thoracic is distributed to the abdominal wall and groin.Unlike the nerves from the autonomic nervous system that innervate the visceral pleura of the thoracic cavity, the intercostal nerves arise from the somatic nervous system.he 7th intercostal nerve terminates at the xyphoid process, at the lower end of the sternum. The 10th intercostal nerve terminates at the navel. The twelfth (subcostal) thoracic is distributed to the abdominal wall and groin.
Gross anatomy. The anterior division of the twelfth thoracic nerve, called the subcostal nerve, is larger than the other intercostal nerves. It runs along the lower border of the twelfth rib. It may give off a communicating branch to the first lumbar nerve and the iliohypogastric nerve.he subcostal nerve can also be considered as the twelfth intercostal nerve. Some authors describe it as the first branch of the lumbar plexus.