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.
It depends whether the college/University is on a quarter or semester system. In a quarter system, there are approximately 33 weeks of instruction, including exams, in a year. In a semester system, there are approximately 28 to 30 weeks of instruction, including exams but not including mid-semester breaks, in a year, depending on the University. In high school, there would be approximately 26 to 28 weeks of instruction, including exams but not including mid-semester and other breaks.