The name hemorrhoid includes structures proximal and distal to the anal canal. These structures can manifest a variety of conditions resulting in pruritus, pain, bleeding, and mucous discharge. The anatomy of the anal canal is reviewed with emphasis on structures and relationships that bear on the...
Rectum is a fixed terminal portion of the large intestine that serves as a reservoir. It is about 10–14 cm in length, and it is located between the sigmoid colon above and the anal canal below. It begdoi:10.1007/978-81-322-2589-8_1Ashfaq Hassan...
An anatomical definition of the anal canal is from the dentate line to the anal verge. The dentate line is located approximately 2 cm proximal from the anal verge and about the middle of the internal sphincter. The pelvic muscles can be classified into three categories: (1) muscles attached ...
Anal Intramuscular Glands Each valve of Ball conceals a sinus which often leads distally into an anal intramuscular gland; these usually have ramifications extending into the internal sphincter and often into the conjoint longitudinal layer (Fig 1). In some anal canals there are as many as sixteen...
MRI of anal canal: normal anatomy, imaging protocol, and perianal fistulas: Part 1 来自 国家科技图书文献中心 喜欢 0 阅读量: 78 作者:Aye,Erden 摘要: Anal complaints are very common in the general population and are caused by a variety of disorders mostly benign in nature. The aim of this...
An overview of the bones of the pelvis, pelvic cavity, pelvic floor muscles, vessels and innervation with labeled diagrams of the male vs female pelvis ➤
Accessory lobe of right lung Acetabulum Acromioclavicular joint Adductor muscle Adrenal gland Alimentar canal Anal canal Angiology Antebrachial region Antebrachiocarpal joint Anus Aorta Aortic arch Aortic lumbar lymph nodes Apex of cecum Apex of nose; Tip of nose Arm Ascending...
Objectives To evaluate anal sphincter anatomy using three-dimensional ultrasonography (3-DAUS) in incontinent women with vaginal delivery, correlate anatomical findings with symptoms of fecal incontinence and determine the effect of vaginal delivery on anal canal anatomy and function. Methods Female with ...
Different portions of this canal have specialized functions which is reflected in its construction. From the mouth, this canal is divided into the oral cavity, the pharynx, the esophagus, the stomach, the intestine and the anus. The intestine is the focus of this review, and its gross ...
The inferior rectal plexus is a collection of autonomic nerves that pass in the perivascular plexus around the internal pudendal artery and branches of the inferior rectal artery. It forms a dense network around the anal canal and the external anal sphincter. In addition, some nerves may transit...