Colonic Flexures
Colonic Flexures - Related Videos
07:55
Flexural Rigidity Measurements of Biopolymers Using Gliding Assays
0 Views •
Cited by 2 •
2012
A method to measure the persistence length or flexural rigidity of biopolymers is described. The method uses a kinesin-driven microtubule gliding assay to experimentally determine the persistence length of individual microtubules and is adaptable to actin-based gliding assays.
01:16
Flexural Stress
0 Views •
2024
When analyzing bending in symmetric members, it's crucial to understand how stresses distribute when subjected to bending moments. This stress distribution is effectively described by applying fundamental mechanics and material science principles, particularly Hooke's Law for elastic materials. Hooke's Law states that within the material's elastic limits, stress is directly proportional to strain. In a member experiencing a bending moment, the strain at any point is relative to its distance...
03:20
Electrophysiological Recording from Colonic Afferent Nerves in an Ex Vivo Rat Colon
0 Views •
2025
This video demonstrates a method to record the activity of colonic afferent nerves in an ex-vivo rat colon, cannulated at both ends and infused with saline to increase intraluminal pressure. As pressure increases, the nerve signal rises, indicating its stimulation.
10:19
A Murine Model of Group B Streptococcus Vaginal Colonization
0 Views •
Cited by 64 •
2016
The purpose of this protocol is to imitate human group B Streptococcus (GBS) vaginal colonization in a murine model. This method may be used to investigate host immune responses and bacterial factors contributing to GBS vaginal persistence, as well as to test therapeutic strategies.
07:53
Quantification of Colonic Stem Cell Mutations
0 Views •
Cited by 1 •
2015
We report significant improvements for the reproducible measurement of somatic colonic stem cell mutations after exposure of mice to potential DNA damaging agents.
FAQs
Their sharp turns allow the colon to change direction within the limited space of the abdominal cavity. This arrangement connects the ascending, transverse, and descending sections without interrupting the intestinal pathway. Surrounding peritoneal and connective-tissue attachments help support these turns, preserving the colon’s organized position as contents pass from one major section to another.
The hepatic flexure marks the change from the ascending colon to the transverse colon and lies near the liver. The splenic flexure marks the change from the transverse colon to the descending colon and lies near the spleen. Their different neighboring organs provide reliable anatomical orientation when identifying the colon’s transitions within the abdomen.
These attachments support the flexures and help maintain their positions relative to nearby abdominal structures. Such support is important because the colon must bend sharply while preserving a continuous route for intestinal contents. In anatomical interpretation, the attachments also help explain why the flexures remain recognizable landmarks rather than shifting independently from the surrounding abdominal arrangement.
Each flexure changes the direction of the colonic pathway while keeping adjacent sections connected. The hepatic turn redirects contents from the ascending into the transverse colon, and the splenic turn redirects them from the transverse into the descending colon. Their contribution is therefore structural and directional, helping preserve continuity through the large intestine.
The flexures provide recognizable reference points for tracing the colon across abdominal images. Identifying the hepatic transition near the liver and the splenic transition near the spleen helps clinicians determine which colonic section is involved. This orientation supports the localization of abnormalities, including obstruction, inflammation, or tumors, within the broader abdominal anatomy.
Their fixed anatomical relationships help clinicians describe abdominal regions and communicate the location of suspected disease. During diagnostic assessment, the landmarks can guide attention toward a particular colonic segment when abnormalities are seen. In surgical procedures, recognizing the transitions and their supporting attachments contributes to anatomical orientation while evaluating or treating affected tissue.