WebAug 8, 2024 · It terminates into the sigmoid colon, which is the fifth part of the large intestine. The sigmoid colon links the descending colon to the rectum. The sigmoid colon is an S-shaped loop of varying length and becomes the rectum at the level of S3. The rectum occupies the concavity of the sacrococcygeal curvature. WebFeb 21, 2024 · Rectum Macroscopic anatomy. The rectum has two flexures: The sacral flexure (dorsal bend) results from the concave form of the... Microscopic anatomy. Histologically the rectum is similar to the rest of the large intestine with its usual … The colon forms part of the large intestine and extends between the caecum and … Macroscopic anatomy Zones. The anal canal may be subdivided into the … The middle rectal artery then continues vertically, before taking a 90° turn to … The superior rectal artery arises from the inferior mesenteric artery as its … The respiratory system is a collection of organs that are responsible for carrying … Levator ani muscle (Musculus levator ani) The levator ani is a broad muscular sheet … The inferior hypogastric plexus, also known as the pelvic plexus or pelvic ganglion, is … Internal iliac vein (Vena iliaca interna) The internal iliac vein, also known as the …
Colon (Large Intestine): Function, Anatomy & Definition - Cleveland …
WebIt can be identified by tracing the blood vessels and lymphatic vessels that supply the sigmoid colon. 5. Rectum: The rectum is the final portion of the large intestine that connects to the anus. It is located in the pelvis and can be identified by its muscular walls and the presence of rectal valves. B. 1. WebOct 21, 2024 · The mesorectal fascia is a layer of connective tissue enclosing the perirectal fat that surrounds the rectum. It is an important anatomical structure in rectal cancer staging, as it forms the circumferential resection margin for the non-peritonea... selected seeds logo
The Rectum - Position - Neurovascular Supply
WebThe Rectum (intestinum rectum) is continuous above with the sigmoid colon, while below it ends in the anal canal. From its origin at the level of the third sacral vertebra it passes downward, lying in the sacrococcygeal curve, and extends for about 2.5 cm. in front of, and a little below, the tip of the coccyx, as far as the apex of the prostate. It then bends sharply … WebOct 30, 2024 · Abstract. Colorectal anatomy includes the area from the ileocecal valve to the anus. Parts of the colon are cecum, ascending colon, transverse colon, descending colon, … WebMar 26, 2013 · The main search terms were “definition of the rectum”, “length of the rectum”, “laparoscopic anatomy of the rectum”, “radiological anatomy of the rectum”, “endoscopic anatomy of the rectum”, ... From an anatomical standpoint, the rectal sigmoid transition is located at the third sacral vertebra S3, ... selected seeds pittsworth