Pectinate anatomy

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August undefined, 2024

WebThe interior of the anal canal and lower part of the rectum. (Line not shown but region is visible.) The anocutaneous line, also called the Hilton white line or intersphincteric groove, is a boundary in the anal canal. [1] Below the anocutaneous line, lymphatic drainage is to the superficial inguinal nodes. [2] Webpectinate muscle A ridge of myocardium on the inner wall of either atrium of the heart. See also: muscle Medical Dictionary, © 2009 Farlex and Partners Want to thank TFD for its …

What is the pectinate muscles in heart? - Studybuff

WebAug 28, 2011 · Pectinate muscles are specialized Intracardiac muscle Pectinate muscles are located mainly in the right atrium , more in right atrial appendage , sparse in left atrium Has muscle fibers arranged in a comb like fashion. Has less mechanical activity, no significant contribution to atrial contractility. WebPectinate muscles <1 mm (2.6% of cases) were seen in only the first and last decades. Conclusions Age- and sex-related differences in LAA dimensions exist. These differences and the existence of multilobed … e boat alley

Pectineus Muscle: Anatomy, Function, and Treatment - Verywell …

WebJun 4, 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 … WebMusculi pectinati atrii dextri Definition Behind the terminal crest the internal surface of the atrium is smooth, while in front of it the muscular fibers of the wall are raised into parallel ridges resembling the teeth of a comb, and hence named the musculi pectinati. WebPectinate Line Beyond the pectinate line, the epithelial cell layer of the anal canal transitions abruptly from columnar to stratified squamous epithelium, which in turn continues and terminates in an irregular line or “white” zone at the anal opening, termed the zona alba. From: Pediatric Gastrointestinal and Liver Disease (Fourth Edition), 2011 e board ironing board for sale

The Anal Canal - Structure - Arterial Supply

WebAug 4, 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? e-boarding passWebSep 8, 2024 · The pectinate muscles are "teeth of a comb" shaped parallel muscular columns that are present on the inner wall of the right and left atria. The right atrium has thick and coarse pectinate muscles while these are … competenze life long learning

"WebThe pectinate muscles are teeth of a comb shaped parallel muscular columns that are present on the inner wall of the right and left atria. The right atrium has thick and coarse pectinate muscles while these are few smooth and thinner in the left atrium. Which chamber of the heart contains pectinate muscles in its walls? " - Pectinate anatomy

Pectinate anatomy

Pectineus: Origin, insertion, innervation, action Kenhub

WebThe perianus or anal margin extends 5 cm laterally from the anal verge and is characterized by the presence of hair follicles and glands. The interior of the anal canal can be divided into proximal and distal portions by an irregular line formed by the anal valves called the … WebAortic semilunar valve - flap of endocardium covering the superior region of the left ventricle at the base of the aorta; opens and closes based on pressure differences Pectinate muscles - prominent ridges of muscle mainly in the right atrium Trabeculae carnae - ridges of cardiac muscle covered by endocardium that line the walls of the ventricles

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WebPectinate muscles make up the part of the wall in front of this, the right atrial appendage. [citation needed] In the left atrium, the pectinate muscles are confined to the inner surface … WebJul 25, 2024 · The 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. Above the pectinate line, the superior rectal …

WebFMA. 20248. Anatomical terminology. [ edit on Wikidata] The pectineal ligament, sometimes known as the inguinal ligament of Cooper, is an extension of the lacunar ligament. It runs on the pectineal line of the pubic bone. The pectineal ligament is the … WebJul 25, 2024 · The 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. …

WebApr 12, 2024 · Pectineus is a flat muscle found in the superomedial part of the anterior thigh. Fascial compartments of the thigh muscles are specific in that each of them is innervated by a particular nerve. Due to having dual innervation, pectineus is one of a few muscles classified into two compartments at the same time; anterior and medial. WebThe crista terminalis (CT) is an important anatomic landmark due its close association with the sinoatrial node artery and the origin of the pectinate muscles (PM). However, the …

WebMay 26, 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, …

WebAnatomy and Physiology II Chapter 18 The cardiovascular system: The heart. The blood is a vehicle to transport solutes, allows the communication among different parts of the body Liquid tissue transported by the blood vessels ... • Right atrium Pectinate muscles in the internal aspect ... eboard softwareWebApr 7, 2024 · The study of anatomy relies upon the ability to investigate three-dimensional (3D) spatial relationships between structures ... demonstrates internal structures displayed in the lateral wall of the right atrium including the pectinate muscle (white arrowhead) and crista terminalis (yellow arrowhead). (c) (right) demonstrates the internal ... e boat motorsWebPectinate Muscles. The extent of the pectinate muscles relative to the vestibule of the right atrioventricular valve is the single most characteristic feature of the right atrium in congenitally malformed hearts.4 In many hearts, flap-like muscular or fibrous valves take origin from the extent of the terminal crest and guard the orifices of the inferior caval vein … competenze youthpass• Microscopic cross section of the anorectal junction. • Anatomy of the anus and rectum • Coronal section of rectum and anal canal. e board lightsWebThe crista terminalis (CT) is an important anatomic landmark due its close association with the sinoatrial node artery and the origin of the pectinate muscles (PM). However, the gross anatomy of the PM in relation to the CT has not been well described. The aim of our study has been to investigate the location and the morphology of PM in ... e boat racingWebFemale: superolateral uterus (near attachment of round ligament), skin of perineum including vulva, ostium of vagina (inferior to hymen), prepuce of clitoris, peri-anal skin, … e board conversion kitWebJul 12, 2024 · The Iliopsoas bursa, also known as the iliopectinate bursa , is one of the bursae involving the hip. It is the largest bursa around the hip joint. It is located beneath the musculotendinous portion of the iliopsoas muscle, anterior to the hip joint capsule and lateral to the common femoral vessels. It can communicate with the hip joint in about ... competenze receptionist hotel