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.
Summer classes can be between 3 and 11 weeks, depending on the collegâ¦e and the subject. Semesters are about 4 months in duration. The fall semester is from late August or early September to December; the spring semester is usually from January to late April or early May.