From the start to the end of the month, the length of the day increases by 1:12 hours, implying an average day-over-day increase of 2.4 minutes. The shortest day of the month is April 1 with 12:41 hours of daylight; the longest day is April 30 with 13:53 hours of daylight.
The term âeponymâ originates from the Greek word âeponymous,â which means ânamed after.â An eponym was a simple way to describe tumors and tumorlike lesions that initially were not well understood.ponyms were used as a simple way to describe different tumors and tumorlike lesions at the beginning of our understanding of those entities and to acknowledge contributions of pioneers who helped to improve our understanding.
A brain tumor is an abnormal growth of tissue in the brain. The tumor can either originate in the brain itself, or come from another part of the body and travel to the brain (metastasize). Brain tumors may be classified as either benign (non-cancerous) or malignant (cancerous), depending on their behavior. Astrocytomas are glial cell tumors that are derived from connective tissue cells called astrocytes. 2  These cells can be found anywhere in the brain or spinal cord. 3  Astrocytomas are the most common type of childhood brain tumor, and the most common type of primary brain tumor in adults.