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[2] [5] Venous drainage mostly parallels that of the arterial supply; [5] [2] that is, it begins as a network of smaller veins in the adventitia; with the renal veins draining the upper ureters, and the vesicular and gonadal veins draining the lower ureters. [1] Lymphatic drainage depends on the position of lymphatic vessels in the ureter. [1]
The inferior mesenteric lymph nodes consist of: (a) small glands on the branches of the left colic and sigmoid arteries (b) a group in the sigmoid mesocolon , around the superior hemorrhoidal artery
Venous drainage begins in a network of small vessels on the lower lateral surfaces of the bladder, which coalesce and travel with the lateral ligaments of the bladder into the internal iliac veins. [11] The lymph drained from the bladder begins in a series of networks throughout the mucosal, muscular and serosal layers. These then form three ...
The hindgut (or epigaster) is the posterior part of the alimentary canal.In mammals, it includes the distal one third of the transverse colon and the splenic flexure, the descending colon, sigmoid colon and up to the ano-rectal junction.
Distinction Above pectinate line Below pectinate line Lymph drainage: internal iliac [2]: superficial inguinal lymph nodes (below Hilton's white line) : Epithelium: columnar epithelium (as is most of the digestive tract - the line represents the end of the part of the body derived from the hindgut)
Lymphatics of colon. Details; System: Lymphatic system: Drains to: ... The pararectal lymph nodes are lymph nodes that are in contact with the muscular coat of the ...
The pelvic cavity primarily contains the reproductive organs, urinary bladder, distal ureters, proximal urethra, terminal sigmoid colon, rectum, and anal canal. In females, the uterus, fallopian tubes, ovaries and upper vagina occupy the area between the other viscera. [1] [2]
There can also be underlying medical reasons for urinary incontinence which are often treatable. In children, the condition is called enuresis. Some cancers also target the urinary system, including bladder cancer, kidney cancer, ureteral cancer, and urethral cancer. Due to the role and location of these organs, treatment is often complicated.