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  2. Arcuate line of rectus sheath - Wikipedia

    en.wikipedia.org/wiki/Arcuate_line_of_rectus_sheath

    The arcuate line of rectus sheath (the arcuate line or the semicircular line of Douglas) is a line of demarcation [1] corresponding to the free inferior margin of the posterior layer of the rectus sheath [2] inferior to which only the anterior layer of the rectus sheath is present [3] and the rectus abdominis muscle is therefore in direct contact with the transversalis fascia. [1]

  3. Rectus sheath - Wikipedia

    en.wikipedia.org/wiki/Rectus_sheath

    Below the arcuate line Below this level, the aponeuroses of all three muscles (including the transversus) pass in front of the rectus. [ 2 ] [ 3 ] The posterior layer of the rectus sheath is thus absent and the rectus abdominis muscle is separated from the peritoneum only by the transversalis fascia . [ 2 ]

  4. Linea terminalis - Wikipedia

    en.wikipedia.org/wiki/Linea_terminalis

    The linea terminalis or innominate line consists of the pubic crest, pectineal line (pecten pubis), the arcuate line, the sacral ala, and the sacral promontory. [ 1 ] It is the pelvic brim , which is the edge of the pelvic inlet .

  5. Arcuate line of ilium - Wikipedia

    en.wikipedia.org/wiki/Arcuate_line_of_ilium

    The arcuate line of the ilium is a smooth rounded border on the internal surface of the ilium. It is immediately inferior to the iliac fossa and Iliacus muscle. It forms part of the border of the pelvic inlet. In combination with the pectineal line, it comprises the iliopectineal line. [1]

  6. Iliac fossa - Wikipedia

    en.wikipedia.org/wiki/Iliac_fossa

    Below it there is a smooth, rounded border, the arcuate line, which runs anterior, inferior, and medial. When the "left" or "right" adjective is used (e.g. "right iliac fossa"), the iliac fossa usually means one of the inguinal regions of the nine regions of the abdomen.

  7. Spigelian hernia - Wikipedia

    en.wikipedia.org/wiki/Spigelian_hernia

    A Spigelian is the type of ventral hernia where aponeurotic fascia pushes through a hole in the junction of the linea semilunaris and the arcuate line, creating a bulge.It appears in the lower quadrant of the abdomen between an area of dense fibrous tissue and abdominal wall muscles causing a (Spigelian aponeurosis).

  8. Arcuate line - Wikipedia

    en.wikipedia.org/wiki/Arcuate_line

    In anatomy, an arcuate line is any structure that is curvilinear. Arcuate line (anterior abdominal wall), a term from human abdominal anatomy;

  9. Iliopectineal line - Wikipedia

    en.wikipedia.org/wiki/Iliopectineal_line

    The iliopectineal line is the border of the iliopubic eminence. [1] It can be defined as a compound structure of the arcuate line (from the ilium) and pectineal line (from the pubis). With the sacral promontory , it makes up the linea terminalis .