Abstract Background There are few reports describing the unusual origin of the inferior mesenteric artery (IMA).We report a rare case of advanced sigmoid colon cancer with the IMA arising from the superior mesenteric artery.Case presentation A 59-year-old man with diarrhea and abdominal distention was diagnosed with advanced sigmoid colon cancer.Co
In places such as the boreal forest of Northern Alberta, where demands for energy and forest products are growing, it is necessary to balance economic development activities on the land with the environmental services the land can provide.Wildlife habitat for species such as woodland caribou is one such service.If adequate habitat for species such
Nowadays, the transport sector is trying to face climate change and to contribute to a sustainable world by introducing modern after-treatment systems or by using biofuels.In sectors such as road freight transportation, agricultural or cogeneration in which the electrification is not considered feasible with the current infrastructure, renewable op
Phenotypic diversity is considered beneficial to the evolution of contingent Seeds cooperation, in which cooperators channel their help preferentially towards others of similar phenotypes.However, it remains largely unclear how phenotypic variation arises in the first place and thus leads to the construction of phenotypic complexity.Here we propose