end-to-end anastomosis. 1. one connecting the end of an artery and that of some other vessel. 2. anastomosis of two sections of colon, as with partial colectomy or closure of an ileostomy. end-to-side anastomosis an anastomosis connecting the end of one vessel with the side of a larger one.heterocladic anastomosis one between branches of different arteries.nd-to-end anastomosis. 1. one connecting the end of an artery and that of some other vessel. 2. anastomosis of two sections of colon, as with partial colectomy or closure of an ileostomy. end-to-side anastomosis an anastomosis connecting the end of one vessel with the side of a larger one.
Shown here is a depiction of a human brain beside a noticeably bigger elephant brain. The average human brain weighs in at around 3 pounds, and an elephant brain can weigh close to four times that much, but the biggest brains of all come sperm whales, and weigh an average of 17 pounds.
Lobes of the Brain. The average human brain weighs about 1,400 grams (3 lb). The brain looks a little like a large pinkish-gray walnut. The brain can be divided down the middle lengthwise into two halves called the cerebral hemispheres. Each cerebral hemisphere is divided into four lobes by sulci and gyri.