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The human appendix averages 9 cm (3.5 in) in length, ranging from 5 to 35 cm (2.0 to 13.8 in). The diameter of the appendix is 6 mm (0.24 in), and more than 6 mm (0.24 in) is considered a thickened or inflamed appendix.
A size of over 6 mm is both 95% sensitive and specific for appendicitis. [65] However, because the appendix can be filled with fecal material, causing intraluminal distention, this criterion has shown limited utility in more recent meta-analyses. [66]
The appendix epididymis is of the same size as the appendix testis but is more often pedunculated. Clinically pain may occur with torsion of either appendage. Physical examination showed a small, firm nodule is palpable on the superior aspect of the testis and a bluish discoloration known as ‘‘blue dot’’ sign may be seen on the ...
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The appendix has a mucosa resembling the colon but is heavily infiltrated with lymphocytes. Transition between the different types of epithelium occurs at the junction between the oesophagus and stomach ; between the stomach and duodenum , between the ileum and caecum , and at the pectinate line of the anus .
Size of this preview: 800 × 562 pixels. Other resolutions: 320 × 225 pixels | 640 × 449 pixels | 1,001 × 703 pixels. ... Appendix (anatomy) Global file usage.
In humans, the anus (pl.: anuses or ani; from Latin ānus, "ring", "circle") [1] [2] is the external opening of the rectum located inside the intergluteal cleft.Two sphincters control the exit of feces from the body during an act of defecation, which is the primary function of the anus.
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