Longitudinal fissure Longitudinal fissure The longitudinal fissure (or cerebral fissure, median longitudinal fissure, or interhemispheric fissure) is the deep groove that separates the two hemispheres of the vertebrate brain. The medial surfaces of the two hemispheres are as similarly convoluted by gyri and sulci as is the outer surface of the brain. It is thought that a majority of existing animals, including Homo sapiens, have evolved from a common wormlike ancestor that lived around 600 million years ago, called the urbilaterian. A bilaterian animal is one that has symmetrical left and right body halves. While it is still debated whether this species
Organ donation in Australia regards to organ donation, which has a large impact on families giving consent for organ donation. Donation cannot go ahead without families consent even if the person is on the donor register. In most cases religions support organ donation. There are a few aspects of each religion that make the logistics of organ donation difficult however most of these can be overcome in some way. Most organ donations in predominately Muslim countries are live donations, for example in Iran in 2006 only 13% of renal transplants were from deceased donation. In Islamic religion, violating the human body whether living or