Webb4 juni 2012 · The dentate (pectinate) line divides the anal canal into upper (two-thirds) and lower (one-third) parts, each one being supplied by completely different neurovascular … WebbThe pectinate line is an important anatomic landmark, as it is where the blood supply, lymphatics, and nerves differ based on being above or below the pectinate line. Can you …
Anus: vs. Rectum, Function, Anatomy & Diagram - Cleveland Clinic
Webb22 sep. 2024 · All of the following statements concerning the pectinate line are correct EXCEPT (A) It is the junction between the superior and inferior parts of the anal canal. (B) The superior rectal artery supplies the superior part of the anal canal. (C) Lymphatic vessels from the superior part of the anal canal drain into the internal lymph nodes. Webbpec·ti·nate line [TA] the line between the simple columnar epithelium of the rectum and the stratified epithelium of the anal canal, usually defined as being at the level of the anal valves at the bases of the anal columns. Synonym (s): linea pectinata canalis analis [TA], dentate line Farlex Partner Medical Dictionary © Farlex 2012 pectinate line cotacao s\\u0026p voo
Hemorrhoids types and stages - Heal Your Hemorrhoids
Webb30 okt. 2024 · While explaining the colon, rectum, and anal canal anatomy, the pectinate line should be mentioned separately. The pectinate line is formed by the margins of the anal valves which are the small mucosal pockets between the five or ten folds of the mucosa that are known as the anal columns of Morgagni. It is the most critical mark in … Webb27 dec. 2016 · Anus and Perianal Area. Whenever the anatomy of the anal canal is discussed, one visible landmark, namely the dentate or pectinate line, is mentioned as important. This line is located at the distal end of the anal columns where the anal valves are situated. It has also been called the mucocutaneous line, although it is separated … Webb26 maj 2024 · The pectinate line demarcates the superior two-thirds of the anal canal from the inferior one-third. It also serves as an embryologic landmark that explains the differing arterial supply, venous drainage, lymphatic drainage, and nervous supply of the segments of the anal canal. cotacao soja