Transverse Colon
Transverse Colon - Related Videos
08:25
Transverse Aortic Constriction in Mice
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Cited by 262 •
2010
Transverse aortic constriction (TAC) in the mouse is a commonly used experimental model to study mechanisms underlying cardiac hypertrophy and heart failure development. Here, we describe procedures to constrict the aorta to create a reproducible degree of cardiac hypertrophy in mice.
10:19
A Murine Model of Group B Streptococcus Vaginal Colonization
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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.
03:20
Electrophysiological Recording from Colonic Afferent Nerves in an Ex Vivo Rat Colon
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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.
07:40
Minimally Invasive Transverse Aortic Constriction in Mice
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Cited by 42 •
2017
Minimally invasive transverse aortic constriction (MTAC) conserves the essentials of regular transverse aortic constriction (TAC) while eliminating the use of a ventilator with tracheal intubation. It proves to be a highly desirable method for high-throughput studies on left ventricular overload, particularly in translational studies.
05:58
Surgical Trunk Oriented Laparoscopic Right Hemicolectomy (ST-LRH) for Right-Sided Colon Cancer
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2025
This protocol describes Surgical Trunk-oriented Laparoscopic Right Hemicolectomy (ST-LRH), a modified laparoscopic right hemicolectomy designed to optimize vascular management and lymph node dissection, simplify surgical procedures, and improve surgical safety and efficiency.
FAQs
Haustral contractions mix intestinal contents within segmented portions of the colon, increasing contact with the resident microbiota and supporting continued processing. Mass movements act as larger propulsive events that shift fecal material toward the rectum. Together, these patterns coordinate local mixing with longer-distance transport rather than moving contents continuously at one uniform rate.
The resident microbiota acts on undigested carbohydrates that remain after earlier digestion, supporting fermentation within the colonic contents. Mixing movements help maintain contact between these materials and the microbial community. This relationship links motility with microbial activity and contributes to the broader biological processes that accompany fecal formation in the large intestine.
As intestinal contents pass through the transverse colon, recovery of water and electrolytes helps reduce their fluidity and supports compaction. This function occurs alongside mixing and propulsion, so the material becomes progressively more suitable for movement toward the rectum. In gastrointestinal biology, these coordinated activities explain why the colon is both absorptive and transport-oriented.
Mesenteric attachment helps establish the segment’s anatomical relationships and position within the abdomen, while blood supply is essential context for understanding its tissue support. Considering both features improves interpretation of the transverse colon in anatomy and gastrointestinal biology. They are also important when clinicians evaluate disease or plan procedures involving this part of the intestine.
Recognizing the segment’s horizontal course, abdominal relationships, mesenteric attachment, and blood supply provides an anatomical framework for reading abdominal images. This framework helps distinguish the transverse colon from neighboring portions of the large intestine and supports assessment when inflammatory or neoplastic disease is being considered. Functional knowledge adds context for interpreting changes in intestinal contents and movement.
Anatomical knowledge supports decisions about how the transverse colon relates to surrounding structures and how its mesenteric attachment and blood supply should be considered. These relationships are relevant during endoscopic evaluation and surgical planning, particularly when inflammatory or neoplastic disease is suspected. Understanding normal structure and function also helps clinicians interpret findings against expected gastrointestinal organization.