2024年4月21日 · The colon averages 150cm in length, and can be divided into four parts (proximal to distal): ascending, transverse, descending and sigmoid. The colon begins as the …

Background: Differences exist between the proximal and distal colon in terms of developmental origin, exposure to patterning genes, environmental mutagens, and gut flora. Little is known on …

The entire colon is about 5 feet (150 cm) long, and is divided into five major segments. The rectum is the last anatomic segment before the anus. The ascending and descending colon …

2014年5月17日 · Differences exist between the proximal and distal colon in terms of developmental origin, exposure to patterning genes, environmental mutagens, and gut flora. …

The ascending colon and proximal two thirds of the transverse colon are components of the midgut, while the remaining distal third is part of the hindgut. This developmental distinction is …

2018年10月12日 · The cecum, appendix, ascending and proximal portion of the transverse colon (right colon) are derived from midgut, while the distal transverse, descending, sigmoid colon …

To discover new loci and genetic risk variants with site-specific allelic effects, we conducted five genome-wide association scans of case subgroups defined by the location of their primary …

2014年12月23日 · We investigated the associations between tumor location, KRAS and BRAF mutation status, and the messenger RNA (mRNA) expression of proteins involved in major …

Gut. 2021 Jul;70 (7):1325-1334. doi: 10.1136/gutjnl-2020-321534. Epub 2021 Feb 25. 1 Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, …

2021年7月8日 · Faecal occult blood in stool (FOBT) or anaemia may indicate gastrointestinal bleeding: when these symptoms and signs were combined, sensitivity reached 57.5%, with …