rectus sheath


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Related to rectus sheath: Linea semilunaris, Arcuate line

rec·tus sheath

[TA]
sheath of the rectus abdominis, formed by the aponeuroses of the three anterolateral muscles of the abdominal wall that split to enclose the rectus and fuse medially to form the linea alba; it consists of an anterior lamina and a posterior lamina, the latter being absent below the arcuate line.
See also: aponeurosis of external oblique (muscle), aponeurosis of internal oblique muscle.

rectus sheath

A strong fibrous sleeve in which the rectus abdominis and pyramidalis muscles contract. The sheath is formed from the aponeuroses of the abdominal wall muscles as they meet in the linea alba at the abdominal midline.
See also: sheath
References in periodicals archive ?
We present a rare SFT of rectus sheath in a middle-aged woman.
Spontaneous rectus sheath hematoma: an overview of 4-Year single center experience.
Spontaneous rectus sheath hematoma in the elderly: an unusual case and update on proper management.
(A) At the umbilicus, a corium segment (5 x 4 cm) was incised, and the posterior rectus sheath was incised cranial (forward) to allow one finger to go through easily.
An important arterial collateral network of right internal thoracic artery was developed into the right rectus sheath (Figure 3).
The three methods are namely onlay (Over the rectus sheath) bridging the fascial defect (inlay) and Sublay (retromuscular preperitoneal)5.
This decreased accuracy at the IU location has been suggested to occur due to the constitution of the rectus sheath affecting the formation of the linea alba and making identification of the borders more challenging (Barbosa et al 2013).
Spontaneous rectus sheath hematoma (SRSH) is an uncommon cause of abdominal pain, with an estimated incidence of 1 in 10,000 emergency visits.
This is due, at least in part, to the difficulties of finding the rectus sheath and suturing through the layers of a thicker abdominal wall through a relatively small hole.
Rectus sheath hematoma is a collection of blood within the abdominal wall musculature or fascia.