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The pectinate line

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 Webbꕤ Купить Сыворотка-гибрид с витамином С для лица, ONmacabim System Plus Hybrid Serum Vitamin C по цене 50 грн. в ...

Dissector Answers - Rectum, Anal Canal, & Pelvic Floor

Webbpectinate (dentate) line is the junction between endoderm and ectoderm and is located at the inferior limit of the anal valves. pectinate line divides the visceral and somatic … Webb4 aug. 2024 · The peritoneum is a serous membrane that lines the abdominal wall and the majority of internal organs. Posterior to it one can find the retroperitoneal space, which houses the anatomical structures not lined by the visceral peritoneum (e.g. the kidneys, ascending/descending colon etc.). How is lymph drained from the retroperitoneum? black canyon of the gunnison national park 中文 https://ristorantealringraziamento.com

What is the pectinate line? - Studybuff

WebbFinally, the hindgut extends from the distal third of the transverse colon to the anal canal, above the pectinate line. It consists of the distal portion of the transverse colon, descending colon and sigmoid colon and rectum. Now, remember that organs with the same embryologic origin share the same arterial supply, ... Webb23 juli 2016 · The anal valves collectively form an irregular circle – known as the pectinate line (or dentate line). This line divides the anal canal into upper and lower parts, which … WebbDentate line Circular separation line formed by the fusion of anal valves ( hindgut - proctodeum junction) Divides anal canal into an upper and lower part (also see characteristics of the anal canal above and below the dentate line below) External anal sphincter Subcutaneous external sphincter: surrounds lower third of anal canal Superficial black canyon of gunnison map

Pectinate line - Wikipedia

Category:Pectinate line - Wikipedia

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The pectinate line

Anus and Perianal Area Basicmedical Key

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. WebbPectinate Line (Anal Transition Zone) - junction between the simple columnar epithelium of the colon and the stratified squamous epithelium of the skin (higher magnification). At first it is not keratinized, but within a few millimeters it becomes keratinized. Squamous Zone of the Anal Canal - right side of the specimen

The pectinate line

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The pectinate line (dentate line) is a line which divides the upper two-thirds and lower third of the anal canal. Developmentally, this line represents the hindgut-proctodeum junction. It is an important anatomical landmark in humans, and several distinctions can be made based upon the location of a structure … Visa mer • Microscopic cross section of the anorectal junction. • Anatomy of the anus and rectum • Coronal section of rectum and anal canal. Visa mer • pelvis at The Anatomy Lesson by Wesley Norman (Georgetown University) (rectum) Visa mer Webb15 dec. 2024 · Pectinate line: internal rectal venous plexus Inferior to pectinate line: inferior rectal vein. Nerve supply ...

WebbThis Osmosis High-Yield Note provides an overview of Germ Layers essentials. All Osmosis Notes are clearly laid-out and contain striking images, tables, and diagrams to help visual learners understand complex topics quickly and efficiently. Find more information about Germ Layers: Ectoderm. Mesoderm. Endoderm. Webb19 dec. 2024 · As the name clearly states, internal hemorrhoids develop inside of the rectal area. The anal canal is divided into three regions. The two upper regions are separated from the third region by a line called pectinate line. Internal hemorrhoids are present on this line and are also present in the mucosa.

Webb3 okt. 2016 · ANAL CANAL Lymphatic drainage: Accompany the arteries, Above the pectinate line: para-rectal LN to the inferior mesenteric LN. Below the dentate line: to superficial and deep inguinal LN. Nerve supply: Above the pectinate line : Autonomic N. supply ,via superior and inferior hypogastric ganglia(not sensitive ) Below the pectinate … Webb6 feb. 2024 · The bottom line is that it is the arrangement of the atrial appendages that indicates the presence of cardiac isomerism, as opposed to problems with either ventricular looping or specific ventriculo-arterial connections. ... The left-hand panel shows the pectinate muscles extending bilaterally to meet at the cardiac crux, ...

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 …

Webb23 jan. 2024 · Essential features Diagnostic: Absent ganglion cells, submucosal nerve hypertrophy, absent calretinin immunoreactive mucosal innervation and increased cholinergic mucosal innervation (AChE histochemistry or ChT immunohistochemistry) Intraoperative: Levelling biopsy: identification of ganglion cells gallery library androidWebb30 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 … black canyon outfitters ol124WebbThe pectineal line of the pubis (also pecten pubis) is a ridge on the superior ramus of the pubic bone. It forms part of the pelvic brim . Lying across from the pectineal line are fibers of the pectineal ligament, and the … black canyon outfitters blanket