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.
Best Answer: A semester is approximately 15 weeks or 45 hours of classroom contact. A quarter is approximately 10 weeks or 30 hours of classroom contact. Now, some schools do use a trimester system, which consists of three 14 or 15 week sessions--Fall, Spring and Summer. Each of these sessions is equivalent to a semester, and students can choose to come to two per year.