Henle Trunk
Henle Trunk - Related Videos
05:58
Surgical Trunk Oriented Laparoscopic Right Hemicolectomy (ST-LRH) for Right-Sided Colon Cancer
0 Views •
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.
01:17
Reabsorption and Secretion in the Loop of Henle
0 Views •
2025
The thick ascending limb of the nephron loop has Na+–K+–2Cl− symporters in the apical membranes of its cells. These symporters simultaneously reclaim one sodium ion, one potassium ion, and two chloride ions from the tubular fluid. Sodium ions are actively transported into the interstitial fluid at the base and sides of the cell, diffusing into the vasa recta. Chloride ions move through leakage channels in the basolateral membrane into the interstitial fluid and then into the vasa recta.
12:17
Analysis of Trunk Neural Crest Cell Migration using a Modified Zigmond Chamber Assay
0 Views •
Cited by 5 •
2012
An approach to analyze the migration of explanted cells (trunk neural crest cells) is described. This method is inexpensive, gentle, and capable of distinguishing chemotaxis from both chemokinesis and other influences on migratory polarity such as those derived from cell-cell interactions within the primary trunk neural crest cell culture.
06:25
Long-Term Catheterization of the Intestinal Lymph Trunk and Collection of Lymph in Neonatal Pigs
0 Views •
Cited by 6 •
2016
We present a surgical procedure to catheterize the intestinal lymph trunk in neonatal pigs to collect large quantities of lipid metabolism components from efferent lymph.
06:47
A Pulmonary Trunk Banding Model of Pressure Overload Induced Right Ventricular Hypertrophy and Failure
0 Views •
Cited by 23 •
2018
We present a surgical method to induce right ventricular hypertrophy and failure in rats.
FAQs
Variation can involve both the veins that unite and the route by which blood reaches the mesenteric venous system. A pattern containing the right gastroepiploic, anterior superior pancreaticoduodenal, and right colic veins may not be present in every patient. Consequently, clinicians should treat the expected anatomy as a guide rather than assume an identical venous arrangement during planning or exposure.
The named tributaries indicate why this confluence has relevance beyond a single organ. Venous blood from gastric, pancreaticoduodenal, and colonic regions may converge before entering the superior mesenteric vein. Recognizing these possible contributors helps relate the trunk to neighboring operative territories and supports more accurate anticipation of how intestinal venous drainage is organized in an individual patient.
Because the trunk may enter the superior mesenteric vein after receiving several tributaries, injury can affect drainage from more than one gastrointestinal region. Its position therefore matters when surgeons work near the pancreas, duodenum, stomach, or colon. Preserving the confluence and its contributing veins can help avoid bleeding and unwanted interruption of intestinal venous outflow.
The operative field may contain a confluence with a different set of tributaries or a different drainage route than expected. This variability can alter which veins appear near the dissection plane during gastric, pancreatic, or colonic surgery. Reviewing the individual anatomy before and during the operation helps clinicians adapt exposure and avoid treating a variable structure as fixed.
Preoperative imaging can reveal the patient’s venous pattern before dissection begins. In particular, it may help show whether the expected tributaries converge, which structures approach the superior mesenteric vein, and whether the trunk crosses the intended operative field. This information supports procedure planning and alerts the team to anatomy that may not match the common arrangement.
During surgery, careful dissection is needed when the operative field approaches the trunk or its tributaries. The aim is to identify the venous structures before dividing or manipulating tissue, while preserving drainage pathways. This deliberate approach is especially relevant in pancreatic, colonic, and gastric procedures, where an unrecognized crossing vein could be injured.
Awareness is especially relevant in pancreatic, colonic, and gastric operations, but the important relationship differs by procedure. Pancreatic surgery may encounter pancreaticoduodenal contributions, colonic surgery may involve a right colic contribution, and gastric surgery may expose the right gastroepiploic component. These differences support procedure-specific planning rather than one universal dissection strategy.
Recognizing the trunk before venous division helps reduce the chance of venous injury and operative bleeding. It also supports preservation of intestinal venous drainage when tributaries from multiple regions converge at one point. In practical terms, combining imaging with deliberate dissection gives surgeons a way to manage anatomical variability rather than discovering it only after a vessel has been disturbed.