A number of theories have been proposed to explain the development of hepatic encephalopathy in patients with cirrhosis. Some investigators contend that hepatic encephalopathy is a disorder of astrocyte function. Astrocytes account for about one third of the cortical volume.
Mar 10, 2015. College semesters are about 15 weeks long. Most fall semesters begin in September and end in December. Spring semester begins in January and ends in April. This means that in the ânormalâ academic year, students are in classes for approximately six months.
Quick Answer. A traditional year of college has two semesters, each of which encompasses half the school year. In a semester arrangement, students attend classes for approximately 15 weeks during the fall semester, and then return for 15 weeks in the spring after a winter break. Continue Reading.